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. 2021 Oct 20;5(1):687–729. doi: 10.1007/s42001-021-00150-8

Table 2.

List of topics organized in nine categories, showing the rank of the topics, the respective overall popularity metric, the regression analysis results, and the top 15 words of each topic

Topic label Topic popularity Trend analysis Top 15 words (weight in topic)
Rank Contrib. (%) Reg. Coeff R2 (%)
Category: Life during the pandemic
Expression of extreme sentiment (anger and fear) 1 3.32 − 0.002901 41.07 Fuck (0.019) People (0.017) Don (0.016) Shit (0.015) Gonna (0.010) Die (0.007) Time (0.007) ll (0.007) ve (0.007) Stop (0.007) Guy (0.006) Start (0.006) Joke (0.006) Feel (0.006) Im (0.006)
Expression of extreme sentiment (fear of dying) 3 2.69 − 0.000270 3.97 People (0.051) Don (0.020) Virus (0.013) Die (0.013) World (0.009) Kill (0.009) Country (0.008) America (0.008) Stop (0.008) Live (0.007) Govern (0.006) Time (0.006) Doesn (0.005) Care (0.005) Media (0.005)
Reading and writing in quarantine 5 1.98 0.000885 59.10 Time (0.024) Read (0.019) ve (0.013) Story (0.009) Article (0.009) Life (0.009) Feel (0.009) People (0.008) Pandemic (0.008) Love (0.006) Write (0.006) World (0.006) Hope (0.006) Don (0.006) Share (0.005)
Quarantine time eating and activities 8 1.49 0.000860 57.34 Quarantine (0.012) Time (0.010) Home (0.010) Lockdown (0.010) Eat (0.006) ve (0.006) Food (0.005) Kid (0.004) Don (0.004) Happy (0.004) Love (0.004) Drink (0.004) House (0.004) Dog (0.004) Walk (0.004)
Stay home safe 28 1.06 0.000740 43.90 Stay (0.112) Home (0.073) Safe (0.052) Stayhome (0.020) Staysafe (0.014) Healthy (0.012) Spread (0.011) Time (0.010) Family (0.010) People (0.010) Stayathome (0.009) Don (0.009) Live (0.008) Lockdown (0.008) Corona (0.008)
Toilet paper and other supplies panic-buying 31 1.04 0.000157 1.48 Toilet (0.026) Paper (0.026) Store (0.025) Buy (0.024) Shop (0.021) Food (0.019) Grocery (0.018) People (0.016) Panic (0.014) Hand (0.010) Stock (0.009) Roll (0.009) Supply (0.008) Supermarket (0.008) Mask (0.008)
Imprisonment and violationsa 41 0.93 0.000933 85.25 Prison (0.032) Police (0.022) Release (0.022) Jail (0.015) Court (0.014) Law (0.012) Lockdown (0.012) Arrest (0.012) Inmate (0.010) Pandemic (0.009) Amid (0.008) Spread (0.008) People (0.007) Rule (0.006) violate (0.006)
Religion and prayers 42 0.93 0.000461 61.54 God (0.038) Church (0.020) Pray (0.017) Prayer (0.015) World (0.012) Jesus (0.012) Easter (0.010) Allah (0.009) Pastor (0.009) Pandemic (0.009) Bless (0.009) Christian (0.008) Time (0.008) Lord (0.008) People (0.008)
Mental health during the pandemica 43 0.93 0.001022 89.04 Health (0.031) Mental (0.023) Pandemic (0.018) Children (0.015) Anxiety (0.014) Time (0.014) Care (0.013) Tip (0.012) Stress (0.011) Support (0.011) People (0.010) Parent (0.010) Lockdown (0.010) Home (0.010) Family (0.009)
Fighting doctors and nurses 54 0.80 0.000932 78.74 Fight (0.026) Nurse (0.023) Doctor (0.020) NHS (0.018) Frontline (0.016) Health (0.015) Staff (0.014) Care (0.014) Pandemic (0.014) Heroes (0.013) Healthcare (0.013) Line (0.012) Support (0.012) Live (0.010) Medical (0.010)
Movies and video games in quarantine 55 0.78 0.000069 2.81 Movie (0.023) Watch (0.021) Game (0.019) Film (0.016) Due (0.012) Pandemic (0.010) Time (0.010) Release (0.010) Video (0.009) Stream (0.009) Netflix (0.009) Delay (0.009) TV (0.009) Play (0.008) outbreak (0.007)
Music and video in quarantine 56 0.78 0.000633 67.26 Music (0.024) Song (0.017) Listen (0.013) Video (0.010) Quarantine (0.009) Love (0.008) Podcast (0.007) Live (0.007) Artist (0.006) Concert (0.006) Socialdistanc (0.006) Dance (0.006) Watch (0.005) Play (0.005) Singe (0.005)
Racism, discrimination in pandemic 61 0.74 − 0.000216 12.82 China (0.025) People (0.024) Asia (0.021) Black (0.020) Rac (0.018) Racist (0.018) America (0.015) Spread (0.012) Africa (0.011) Virus (0.011) Commune (0.011) Muslim (0.011) India (0.010) Fear (0.009) Attack (0.008)
Family separation in quarantine 65 0.67 0.000553 61.68 Die (0.046) Family (0.040) Friend (0.038) Italy (0.027) Time (0.018) Share (0.016) Mother (0.014) Colleague (0.013) Support (0.013) Baby (0.012) Stand (0.012) Con (0.011) Woman (0.010) Cari (0.009) Voi (0.009)
USA primary elections (Wisconsin) 69 0.61 0.000350 39.08 Vote (0.046) Elect (0.038) Biden (0.026) Trump (0.025) Bernie (0.016) Joe (0.014) Sand (0.013) Primary (0.011) Pandemic (0.010) Wisconsin (0.010) 2020 (0.010) Mail (0.010) Poll (0.009) November (0.009) Campaign (0.009)
Art in quarantinea 82 0.40 0.000382 87.81 Art (0.021) Lockdown (0.012) Photo (0.010) Image (0.010) Artist (0.008) Quarantine (0.008) Paint (0.007) Stayhome (0.007) Pandemic (0.007) Love (0.007) Time (0.006) Covid (0.006) Create (0.006) Photography (0.006) Beautiful (0.005)
USA protests 84 0.39 0.000491 65.28 Protest (0.058) Curve (0.041) Flatten (0.035) Michigan (0.026) Trump (0.026) Lockdown (0.017) Governor (0.016) Washington (0.014) Whitmer (0.012) Post (0.011) Stay-at-Home (0.011) Gov (0.010) Call (0.010) Rally (0.009) Spread (0.009)
Musical bands and groups 91 0.15 − 0.000244 71.99 BTS (0.023) Follow (0.019) Kpop (0.019) RT (0.018) NSFW (0.016) Fancam (0.015) GC (0.013) 18 (0.013) Daddy (0.012) Blackpink (0.012) Gain (0.011) Au (0.011) Trick (0.011) IFB (0.010) View (0.010)
Category: Pandemic management
USA President response 2 2.82 0.001683 32.74 Trump (0.101) President (0.018) America (0.017) Response (0.013) Donald (0.010) Lie (0.010) Blame (0.007) Call (0.007) Pandemic (0.007) Crisis (0.007) Democrat (0.006) Administrate (0.006) Media (0.006) Hoax (0.006) time (0.006)
Information and guidelines updates 10 1.46 0.000542 31.52 Update (0.024) Information (0.023) Health (0.017) Resource (0.012) Service (0.010) Visit (0.010) Public (0.009) Website (0.009) Guidance (0.009) Support (0.009) Advice (0.008) Safety (0.008) Business (0.008) Pandemic (0.008) Response (0.007)
Live webinars about pandemica 19 1.23 0.000852 95.12 Join (0.020) Dr (0.018) Live (0.015) Discuss (0.013) Webinar (0.012) Question (0.011) Pandemic (0.010) Talk (0.009) Watch (0.009) Impact (0.008) April (0.007) Answer (0.007) Listen (0.007) Register (0.007) Podcast (0.007)
UK governmenta 24 1.11 0.000855 89.62 UK (0.040) Govern (0.023) NHS (0.017) Johnson (0.009) Bori (0.009) Britain (0.008) News (0.008) Brexit (0.008) PPE (0.007) Tory (0.007) Crisis (0.006) Test (0.006) Minister (0.006) Scotland (0.006) Lockdown (0.006)
Support and donationsa 25 1.09 0.001350 85.69 Support (0.036) Commune (0.024) Donate (0.021) Food (0.021) Fund (0.015) Local (0.014) Pandemic (0.013) Crisis (0.011) People (0.011) Family (0.010) Business (0.008) Response (0.008) Volunteer (0.008) Relief (0.008) Vulnerable (0.007)
US White House task force 30 1.05 0.000539 22.99 Trump (0.067) House (0.047) White (0.044) Force (0.033) Task (0.030) President (0.025) Press (0.023) Pence (0.020) Live (0.015) Response (0.015) Conference (0.012) Mike (0.011) Hold (0.010) Watch (0.010) News (0.007)
Tracking and surveillance apps 39 0.95 0.000556 66.36 App (0.021) Data (0.019) Google (0.019) Track (0.018) Ai (0.016) Technology (0.016) Tech (0.015) Fight (0.014) Trace (0.013) Contact (0.013) Apple (0.013) Launch (0.009) Develop (0.008) Privacy (0.007) Pandemic (0.007)
US States authorities announcements 48 0.86 0.000825 79.53 Gov (0.036) Governor (0.033) York (0.026) Cuomo (0.023) Update (0.015) Mayor (0.013) Live (0.013) City (0.012) California (0.010) Ny (0.010) Business (0.009) Georgia (0.009) Announce (0.009) Close (0.009) Nyc (0.008)
Tax relief and relief funds in USAa 52 0.84 0.000941 89.43 Money (0.023) Stimulus (0.023) Pay (0.023) Check (0.021) Trump (0.019) Tax (0.018) Relief (0.013) Fund (0.013) America (0.013) Billion (0.010) Govern (0.010) Bailout (0.009) Business (0.008) Aid (0.008) Cut (0.008)
Relief bills in USA 53 0.83 0.000686 32.67 Bill (0.037) Senate (0.027) House (0.027) Trump (0.025) Relief (0.021) Package (0.019) Pelosi (0.017) Stimulus (0.016) Democrat (0.014) Pass (0.014) Congress (0.014) Fund (0.014) Vote (0.013) Billion (0.012) Aid (0.011)
Warning by Dr. Fauci, NIAID Director 63 0.73 − 0.001311 30.75 Flu (0.063) China (0.053) Dr (0.042) Virus (0.036) Doctor (0.029) Trump (0.023) Fauci (0.022) Detail (0.019) Warn (0.017) Die (0.015) Outbreak (0.013) Wuhan (0.011) Li (0.009) Disease (0.009) Anthony (0.009)
Donations and relief funds 71 0.59 0.000531 59.34 Donate (0.064) Fight (0.035) Fund (0.034) Million (0.026) Relief (0.025) Support (0.018) Pandemic (0.014) Effort (0.013) 000 (0.012) Raise (0.010) Rs (0.010) Join (0.009) Pledge (0.009) World (0.009) Ecoin (0.009)
NHS support petition in UK 77 0.47 0.000404 40.32 Sign (0.116) Petition (0.101) Govern (0.022) Uk (0.019) Crisis (0.016) Call (0.016) Nhs (0.015) Support (0.014) Protect (0.014) Pay (0.013) People (0.013) Pandemic (0.012) Frontline (0.011) Rent (0.009) Income (0.009)
Dead bodies and funerals 86 0.32 − 0.000022 0.51 Body (0.039) Victim (0.017) Funeral (0.017) Dead (0.016) Home (0.016) Yemen (0.015) Death (0.015) York (0.015) China (0.015) City (0.013) Wuhan (0.012) Mass (0.010) Kill (0.010) Hospital (0.009) Outbreak (0.008)
Philippines President measures 88 0.27 − 0.000069 7.11 Philippines (0.026) Duterte (0.016) City (0.013) Ph (0.011) Govern (0.011) Na (0.010) Test (0.010) President (0.009) Doh (0.009) Sa (0.009) Confirm (0.009) Health (0.008) Quarantine (0.008) Manila (0.008) Disease (0.007)
App downloads for outbreak management 89 0.25 0.000272 71.24 App (0.119) Download (0.087) Time (0.029) Epoch (0.026) Spread (0.026) Fight (0.025) Android (0.024) Symptom (0.023) Update (0.023) Share (0.023) Slow (0.023) Feel (0.022) Risk (0.021) Coverage (0.021) Identify (0.020)
Category: Medical
Hospital and home care 17 1.32 − 0.000696 17.95 Hospital (0.080) Patient (0.063) Doctor (0.025) Nurse (0.025) Home (0.019) Treat (0.018) Die (0.018) Care (0.017) Ventilate (0.010) Wuhan (0.010) Bed (0.010) York (0.009) China (0.009) Staff (0.009) Medical (0.008)
World health emergency declaration 26 1.09 − 0.001817 67.15 Health (0.086) World (0.045) Emergency (0.034) Pandemic (0.030) Declare (0.029) Outbreak (0.027) Public (0.026) Global (0.026) Organize (0.026) Trump (0.025) Warn (0.022) Official (0.017) Spread (0.016) China (0.016) CDC (0.013)
Test kita 27 1.06 0.000620 81.26 Test (0.194) Kit (0.031) Positive (0.016) Antibody (0.014) Result (0.014) Lab (0.013) Cdc (0.009) Negate (0.009) People (0.009) Rapid (0.008) 000 (0.007) Fda (0.007) Develop (0.006) Sample (0.005) Diagnostic (0.005)
Medical equipment and supplies 35 0.99 0.000696 68.19 Health (0.032) Medical (0.027) Protect (0.026) Care (0.025) Equip (0.017) Hospital (0.017) Healthcare (0.017) Supply (0.016) Ppe (0.012) Pandemic (0.012) Test (0.012) Patient (0.011) Ventilate (0.011) Fight (0.010) Doctor (0.010)
Treatment drugs and trials (hydroxychloroquine) 47 0.87 0.000497 36.75 Drug (0.061) Treat (0.061) Patient (0.038) Hydroxychloroquine (0.022) Trial (0.017) Doctor (0.015) Trump (0.014) Cure (0.013) Effect (0.012) Plasma (0.011) Study (0.011) Remdesivir (0.011) Chloroquine (0.011) Clinic (0.008) China (0.008)
Vaccine development 49 0.85 − 0.000068 2.01 Vaccine (0.114) Develop (0.030) Trial (0.021) Scientist (0.020) Test (0.016) Research (0.013) Treat (0.013) Human (0.010) Race (0.009) Drug (0.009) Company (0.009) World (0.008) Researcher (0.008) News (0.007) Cure (0.007)
Immune system and disease risk 51 0.84 0.000381 70.08 Immune (0.042) People (0.023) System (0.021) Risk (0.021) Patient (0.017) Health (0.015) Disease (0.014) Condition (0.011) Infect (0.011) Virus (0.011) Lung (0.010) Heart (0.009) Die (0.009) Smoke (0.008) Doctor (0.008)
Animals in China 57 0.77 − 0.000424 26.04 Animal (0.037) China (0.028) Dog (0.018) Cat (0.017) Pet (0.016) Human (0.016) Pollution (0.015) Air (0.014) Market (0.013) Wildlife (0.012) Eat (0.012) Trade (0.009) Positive (0.009) Test (0.009) Stop (0.009)
Virus origin (Wuhan lab, bats) 59 0.76 − 0.001261 55.40 China (0.072) Wuhan (0.041) Lab (0.038) Virus (0.027) Scientist (0.015) Origin (0.014) Bat (0.013) Weapon (0.012) Originate (0.011) Market (0.010) Research (0.010) Bioweapon (0.010) Outbreak (0.010) Biology (0.010) Create (0.009)
Symptoms 62 0.74 − 0.000152 14.94 Symptom (0.058) Test (0.030) Cough (0.019) Fever (0.017) People (0.015) Doctor (0.013) Patient (0.012) Cold (0.010) Infect (0.010) Feel (0.010) Flu (0.010) Sick (0.009) Don (0.009) Call (0.008) ve (0.008)
Respiratory infection syndrome research 72 0.57 − 0.000245 35.25 Virus (0.018) Sars-Cov-2 (0.016) Infect (0.015) Patient (0.014) Disease (0.012) Respiratory (0.010) Study (0.010) Cell (0.008) 2019 (0.008) Research (0.008) Human (0.007) Severe (0.007) Clinic (0.006) Syndrome (0.006) Acute (0.006)
Vaccine by Bill Gates Foundation 87 0.30 − 0.000050 1.78 Bill (0.087) Gate (0.079) Vaccine (0.023) Million (0.021) People (0.019) Economy (0.014) Urge (0.014) Debt (0.013) Pandemic (0.013) Student (0.013) Foundation (0.013) Package (0.012) 45 (0.012) Stimulate (0.012) Cancelstudentdebt (0.010)
Category: Outbreak
China and Wuhan outbreak 11 1.45 − 0.004684 66.77 China (0.148) Wuhan (0.037) Outbreak (0.020) Virus (0.014) World (0.012) Xi (0.010) Spread (0.008) Coronavirusoutbreak (0.008) Report (0.008) Govern (0.008) Beije (0.007) People (0.007) Communist (0.007) City (0.006) Epidemic (0.006)
Disease spreadinga 14 1.38 − 0.002456 86.90 Spread (0.053) Virus (0.035) Disease (0.027) Infect (0.024) China (0.023) People (0.013) Transmission (0.013) Symptom (0.012) Study (0.010) Expert (0.010) Outbreak (0.010) Prevent (0.009) Control (0.009) Health (0.009) CDC (0.008)
Diamond Princess cruise ship outbreak 33 1.02 − 0.003013 32.91 Cruise (0.076) Ship (0.073) Hong (0.035) Kong (0.035) Quarantine (0.032) Japan (0.032) Passenger (0.027) Test (0.023) Princess (0.022) Positive (0.016) Diamond (0.015) America (0.012) People (0.012) Infect (0.012) China (0.012)
India outbreak 46 0.88 0.000557 63.15 Positive (0.045) Test (0.037) India (0.027) Patient (0.019) Report (0.018) Total (0.018) Health (0.012) Delhi (0.012) Death (0.011) Hospital (0.010) People (0.008) Update (0.008) Kerala (0.008) News (0.007) District (0.007)
East Asian countries and Africa outbreak 50 0.85 − 0.000550 8.73 South (0.098) Korea (0.091) Africa (0.046) North (0.018) China (0.016) Report (0.015) Country (0.014) Confirm (0.014) Infect (0.011) Test (0.011) Outbreak (0.011) Italy (0.011) Spread (0.009) Iran (0.007) Lockdown (0.006)
Arabic countries outbreak 60 0.75 − 0.000237 4.51 Iran (0.061) Health (0.022) Minister (0.014) Saudi (0.012) Ministry (0.011) Country (0.011) Confirm (0.010) Report (0.009) Arabia (0.008) Infect (0.008) UAE (0.008) Outbreak (0.008) Spread (0.007) Official (0.007) Test (0.007)
Israel migrant/refugee outbreak 66 0.67 0.000406 78.68 Israel (0.022) Border (0.020) Spread (0.012) Migrant (0.011) Refugee (0.011) Pandemic (0.010) Camp (0.010) Amid (0.008) Palestinian (0.008) Fear (0.008) Mexico (0.007) Syria (0.007) People (0.007) Risk (0.007) Country (0.007)
California outbreak 74 0.55 − 0.000199 12.45 San (0.045) County (0.038) California (0.032) Los (0.026) Angeles (0.025) Francisco (0.019) Confirm (0.015) City (0.014) Diego (0.011) Test (0.011) Vega (0.011) Official (0.011) Santa (0.010) Homeless (0.010) Patient (0.010)
UK Prime Minister infection 75 0.49 0.000416 39.82 Johnson (0.072) Bori (0.065) Pakistan (0.031) Minister (0.030) Uk (0.025) Prime (0.022) Test (0.020) Pm (0.020) Hospital (0.016) Care (0.015) Positive (0.014) News (0.014) Britain (0.012) Intensive (0.012) Queen (0.011)
Canada’s Prime Minister infection 76 0.48 − 0.000019 0.25 Canada (0.072) Ontario (0.021) Health (0.019) Trudeau (0.016) News (0.016) Toronto (0.014) Cdnpoli (0.014) Test (0.011) Update (0.010) CBC (0.009) Alberta (0.009) Confirm (0.009) Positive (0.008) Minister (0.008) Province (0.008)
Australia and New Zealand outbreak 78 0.47 − 0.000063 6.77 Australia (0.068) Auspol (0.019) News (0.018) Virus (0.016) Minister (0.011) Live (0.011) Govern (0.010) Zealand (0.010) 7news (0.010) Pandemic (0.009) Morrison (0.009) Outbreak (0.008) Break (0.008) Health (0.008) NSW (0.008)
Outbreak in navy 80 0.43 0.000227 31.58 Navy (0.027) Military (0.024) Russia (0.019) Carry (0.017) Captain (0.017) Sailor (0.012) Ship (0.012) Aircraft (0.011) Outbreak (0.011) Army (0.011) Force (0.010) Test (0.010) Roosevelt (0.009) Command (0.009) Fire (0.008)
Cases in CPAC 2020 conference 85 0.33 0.000100 2.33 Test (0.050) Positive (0.036) Brazil (0.022) Germany (0.019) Trump (0.019) Cpac (0.014) Bolsonaro (0.013) Paul (0.012) President (0.012) Matt (0.012) Ted (0.011) Quarantine (0.011) Merkel (0.011) Cruz (0.010) Attendee (0.009)
Category: Lockdown
Ban of flights to/from China 9 1.49 − 0.003859 78.75 China (0.055) Travel (0.055) Flight (0.035) Outbreak (0.018) Ban (0.017) Airline (0.015) Wuhan (0.014) Airport (0.013) Country (0.012) Suspend (0.011) Amid (0.010) Spread (0.010) Restrict (0.010) Passenger (0.009) Due (0.009)
Events canceled or postponed 20 1.21 − 0.000975 22.62 Due (0.044) Cancel (0.035) Postpone (0.030) Event (0.029) 2020 (0.023) Canceled (0.021) Concern (0.017) Outbreak (0.015) Olympic (0.013) Fear (0.012) Conference (0.011) World (0.010) Amid (0.010) Tokyo (0.010) Festival (0.009)
India lockdown 21 1.19 0.001203 77.12 India (0.031) Lockdown (0.023) Pm (0.015) Modi (0.014) Fight (0.013) Govt (0.011) Indian (0.009) People (0.008) Minister (0.008) Sir (0.007) Indiafightscorona (0.007) Delhi (0.005) App (0.005) Govern (0.005) Corona (0.005)
City lockdown 22 1.18 0.000364 26.37 Close (0.020) Drive (0.015) City (0.014) Lockdown (0.011) People (0.010) Restaurant (0.009) Park (0.009) Street (0.009) Car (0.008) Due (0.007) Service (0.007) Home (0.007) London (0.007) Public (0.006) Road (0.006)
Schools and universities lockdown 23 1.17 0.000441 14.05 School (0.072) Student (0.048) Close (0.022) University (0.020) Teach (0.018) Class (0.017) Online (0.016) College (0.016) Educate (0.015) Learn (0.013) Due (0.013) Parent (0.009) Home (0.009) Kid (0.009) Closure (0.008)
Sports events (football, basketball, etc.) 29 1.05 0.000397 7.76 Play (0.032) League (0.020) Sport (0.019) Football (0.018) Game (0.016) Season (0.015) Due (0.014) Nba (0.011) Fan (0.010) Pandemic (0.009) Club (0.008) Team (0.008) Amid (0.008) Test (0.008) Premier (0.007)
Nigeria lockdown 37 0.96 0.000771 76.60 Nigeria (0.066) Lago (0.022) Test (0.013) Lockdown (0.013) Confirm (0.012) Record (0.010) Buhari (0.009) Ghana (0.009) Govern (0.008) Break (0.008) Patient (0.008) Ncdc (0.008) President (0.007) Kano (0.007) Positive (0.007)
European countries and Japan lockdown 40 0.94 − 0.000756 18.58 Italy (0.072) France (0.023) Europe (0.018) Japan (0.016) Lockdown (0.016) Country (0.014) Spain (0.012) Close (0.012) People (0.012) Quarantine (0.012) Spread (0.011) Germany (0.011) Outbreak (0.011) Confirm (0.010) Northern (0.009)
Florida beach lockdowna 79 0.44 0.000442 92.84 Florida (0.052) Beach (0.028) Close (0.017) Hot (0.014) South (0.013) Plant (0.013) Governor (0.012) Spot (0.012) Park (0.011) Desanti (0.011) Miami (0.010) Disney (0.009) Pandemic (0.008) Dakota (0.007) Gov (0.007)
Category: Economy
Fears for impact on stock market 7 1.50 − 0.001868 38.12 Market (0.050) Stock (0.041) Oil (0.019) Fear (0.018) Price (0.015) Global (0.011) Dow (0.010) Trade (0.009) China (0.009) Investor (0.009) Drop (0.008) Amid (0.008) Fall (0.007) Spread (0.007) Impact (0.007)
Impact on business and companiesa 13 1.45 0.001448 97.06 Business (0.027) Pandemic (0.015) Crisis (0.015) Impact (0.013) Time (0.010) Company (0.010) Market (0.009) Change (0.009) Manage (0.008) Industry (0.007) Learn (0.007) Challenge (0.007) Read (0.006) Plan (0.006) Remote (0.006)
Impact on economy 15 1.36 − 0.000087 0.50 Economy (0.032) Economic (0.024) Impact (0.019) Global (0.017) China (0.013) Bank (0.013) Crisis (0.011) Pandemic (0.010) World (0.010) Outbreak (0.010) Hit (0.009) Rate (0.009) Country (0.008) Cut (0.008) Billion (0.008)
Impact on supply chain (due to China lockdown) 18 1.30 − 0.001102 17.69 China (0.036) Supply (0.025) Outbreak (0.016) Impact (0.014) Chain (0.014) Product (0.014) Due (0.013) Apple (0.011) Sale (0.011) Industry (0.010) Global (0.009) Hit (0.009) Food (0.009) Business (0.009) Company (0.008)
Unemploymenta 36 0.98 0.000864 81.62 Job (0.033) Employee (0.022) Pay (0.021) Unemployment (0.014) Due (0.013) Pandemic (0.013) Leave (0.011) Million (0.011) Sick (0.011) Claim (0.010) Business (0.010) Company (0.010) Paid (0.010) Amazon (0.009) 000 (0.009)
Lockdown and economy restart 38 0.96 0.001020 78.79 Lockdown (0.063) Restrict (0.023) Ease (0.019) Lift (0.015) Country (0.014) Plan (0.013) Reopen (0.012) Economy (0.012) Measure (0.011) Sweden (0.011) UK (0.010) Reopene (0.009) Trump (0.008) Govern (0.008) Extend (0.008)
Business financial support, loans and relief* 58 0.77 0.000876 84.02 Business (0.037) Loan (0.022) Pay (0.016) Relief (0.014) Rent (0.012) Tax (0.012) Support (0.010) Financial (0.010) Pandemic (0.009) Impact (0.009) Govern (0.009) Bank (0.008) Program (0.008) Fund (0.007) Due (0.007)
Cancelation fees and refunds 70 0.59 0.000262 35.50 Due (0.028) Refund (0.020) Flight (0.016) Travel (0.016) Book (0.013) Customer (0.012) Cancel (0.011) Pay (0.011) Ticket (0.010) Canceled (0.009) Fee (0.008) Service (0.008) Change (0.008) Call (0.008) Insurance (0.007)
Digital marketsa 81 0.41 0.000340 84.84 Free (0.025) Design (0.016) Business (0.015) Market (0.015) Book (0.014) Online (0.011) Check (0.008) Read (0.007) Brand (0.007) Website (0.007) Google (0.006) Search (0.006) Offer (0.006) Seo (0.006) Create (0.006)
Bitcoin and cryptocurrencies 90 0.24 − 0.000044 3.86 Bitcoin (0.052) crypto (0.037) Tom (0.031) Curfew (0.030) People (0.028) Hank (0.027) Cryptocurrence (0.025) Blockchain (0.022) Janta (0.020) Pledge (0.020) BTC (0.018) Fight (0.018) Rita (0.013) Wilson (0.013) News (0.013)
Category: Cases and deaths
Death toll rising (China and Italy) 4 2.42 − 0.002898 58.54 Death (0.102) Toll (0.051) 000 (0.046) China (0.044) Report (0.026) Rise (0.021) Confirm (0.020) Update (0.020) Infect (0.016) Live (0.015) Italy (0.013) Country (0.011) Global (0.010) Outbreak (0.010) Record (0.009)
Number of cases and deaths 6 1.52 0.000141 1.85 Test (0.053) County (0.046) Positive (0.040) Confirm (0.027) Health (0.026) Report (0.017) Death (0.016) Official (0.015) Home (0.010) People (0.010) Department (0.010) Resident (0.009) Update (0.009) Die (0.009) Patient (0.009)
Death rates 12 1.45 − 0.000113 5.31 Death (0.050) Rate (0.034) 000 (0.032) People (0.030) Infect (0.021) Flu (0.018) Die (0.017) Million (0.016) Populate (0.010) Kill (0.009) Mortal (0.009) Data (0.009) America (0.009) Report (0.008) Country (0.007)
Confirmed deaths and recoveries 16 1.34 0.000630 74.42 Death (0.071) Total (0.053) Confirm (0.036) Recovere (0.023) Report (0.021) Update (0.018) Country (0.009) Bring (0.008) 10 (0.007) 24 (0.006) 19 (0.006) 2020 (0.006) Infect (0.006) 11 (0.006) Recovery (0.006)
Live data mapsa 68 0.61 − 0.000527 82.24 Map (0.040) Time (0.033) Update (0.032) Track (0.028) Live (0.028) Data (0.025) York (0.024) John (0.023) Spread (0.020) Nyt (0.020) Hopkins (0.019) News (0.019) Article (0.016) Reuter (0.015) World (0.015)
Category: News and fake news
News channels updates 32 1.03 − 0.000400 55.53 News (0.227) Bbc (0.063) Fox (0.027) World (0.019) Story (0.014) Update (0.014) China (0.014) Live (0.013) Uk (0.012) Outbreak (0.012) Break (0.011) Pandemic (0.011) ABC (0.010) Top (0.010) Report (0.009)
Misinformation spread in social media 34 1.02 − 0.000630 78.74 Media (0.033) News (0.030) Spread (0.020) Social (0.018) Information (0.017) Facebook (0.016) Twitter (0.016) Fake (0.015) Misinformation (0.015) Post (0.015) Video (0.014) Share (0.014) People (0.008) False (0.008) Report (0.008)
US President claims disinfectants can cure 67 0.61 0.000371 15.52 Trump (0.043) Disinfectant (0.038) Cure (0.030) Kill (0.023) Inject (0.023) Treat (0.017) Bleach (0.016) Light (0.014) Drink (0.013) Virus (0.012) Clean (0.012) Suggest (0.011) Lysol (0.010) People (0.009) President (0.008)
5G conspiracy theory 73 0.57 0.000231 41.22 5G (0.028) Conspiracy (0.025) Theory (0.017) Trump (0.013) Maga (0.012) Qanon (0.011) News (0.010) Media (0.008) Tucker (0.008) wwg1wga (0.007) Fox (0.007) Truth (0.006) Video (0.006) Watch (0.006) Pandemic (0.006)
Scams and cyberattacks 83 0.39 0.000215 57.21 Scam (0.043) Secure (0.019) Cybersecur (0.018) Hack (0.016) Email (0.014) Warn (0.013) Pandemic (0.012) Phish (0.012) Cyber (0.011) Attack (0.010) Malware (0.010) Fraud (0.009) Target (0.008) Zoom (0.007) Protect (0.007)
Category: Preventive measures
Hand washing 44 0.92 − 0.000355 6.92 Hand (0.102) Wash (0.062) Sanitize (0.021) Spread (0.016) Touch (0.016) People (0.015) Don (0.014) Water (0.013) Clean (0.012) Avoid (0.012) Stay (0.012) Soap (0.012) Mask (0.011) Cough (0.010) Virus (0.009)
Facemasks 45 0.89 − 0.000065 1.99 Mask (0.145) Wear (0.054) Protect (0.027) N95 (0.013) Medical (0.013) Facemask (0.011) Glove (0.010) Surgical (0.008) People (0.008) ppe (0.007) Buy (0.007) China (0.006) Cover (0.006) Public (0.006) Supply (0.006)
Social distancing 64 0.73 0.000666 58.73 Social (0.112) Distanc (0.089) People (0.022) Spread (0.020) Stay (0.018) Home (0.017) Distance (0.013) Measure (0.013) Practice (0.012) Follow (0.009) Rule (0.009) Socialdistanc (0.008) Guidelines (0.008) Gather (0.007) Maintain (0.007)
Non-meaningful topics
Topic 42a 2.16 0.001503 96.25 Pandemic (0.021) Crisis (0.018) World (0.014) Response (0.012) Global (0.011) Health (0.011) Change (0.010) Country (0.010) Lead (0.010) Govern (0.008) Time (0.008) Economic (0.007) Climate (0.007) Politics (0.006) Public (0.006)
Topic 88 1.19 0.000483 26.75 Covid (0.173) 19 (0.141) Corona (0.030) Coronavirusoutbreak (0.029) Coronavirusupdate (0.025) Covid2019 (0.022) Coronaviruspandemic (0.015) Virus (0.015) Stayhome (0.010) Coronaoutbreak (0.010) Lockdown (0.009) Coronavirususa (0.008) Pandemic (0.006) Stayathome (0.006) Quarantine (0.005)
Topic 44 0.70 0.000228 66.41 2020 (0.090) April (0.059) March (0.046) Update (0.035) 20 (0.017) 00 (0.015) pm (0.014) 30 (0.013) Feb (0.012) 10 (0.012) 11 (0.011) February (0.010) 12 (0.010) apr (0.010) mar (0.010)
Topic 78 0.60 − 0.000613 45.49 War (0.028) World (0.022) 2020 (0.020) Pandemic (0.011) Predict (0.010) Plague (0.010) Kobe (0.009) America (0.009) Kill (0.008) Fire (0.007) Black (0.007) Happen (0.007) Outbreak (0.007) Australia (0.006) die (0.006)
Topic 53 0.49 0.000426 51.11 Test (0.051) Positive (0.044) Die (0.027) Kenya (0.026) Prince (0.017) People (0.013) Charles (0.012) Patient (0.010) Confirm (0.010) Condition (0.008) Star (0.008) Critic (0.007) Complicate (0.007) John (0.007) Moment (0.007)
Topic 31 0.29 − 0.000054 14.41 DE (0.026) EL (0.018) EN (0.018) LE (0.016) LA (0.012) Confine (0.012) Covid (0.010) Minute (0.009) 19 (0.009) ES (0.006) Spain (0.005) PASS (0.005) Mexico (0.005) del (0.005) Restezchezvous (0.005)
Topic 1 0.29 0.000126 6.36 Retweet (0.013) Follow (0.011) dm (0.011) Play (0.009) Send (0.009) Cashapp (0.008) Comment (0.008) Person (0.008) People (0.008) Sex (0.008) Win (0.008) Time (0.008) Pay (0.007) Link (0.007) Money (0.007)
Topic 75 0.23 0.000264 21.26 Deliver (0.124) Support (0.100) Sign (0.063) ll (0.063) Official (0.062) Copy (0.062) usp (0.038) Senate (0.029) Representative (0.017) Act (0.017) Stock (0.013) Capolitic (0.008) Capol (0.008) Dump (0.006) Sen (0.006)
Topic 57 0.07 0.000098 47.94 Covid (0.093) 19 (0.033) David (0.031) Jorge (0.031) Prior (0.030) Pillow (0.030) Trump (0.030) CDTV (0.029) Mike (0.028) Manu (0.028) Suho (0.028) Foraprior (0.028) Babu (0.028) Lindell (0.028) Bizbizeyeteriz (0.027)

aTopics with a good linear regression fit (R2 > 80% and p value ≤ 0.05)