Table 1.
Queries used for scraping tweets from each country and number of tweets used after preprocessing.
Country | Querya | Tweets, n |
United States | (General keywords) OR (moderna OR pfizer OR biontech OR astrazeneca OR inovio OR novavax OR #pfizerbiontech) | 1,121,216 |
United Kingdom | (General keywords) OR (pfizer OR biontech OR oxfordvaccine OR astrazeneca OR moderna OR #pfizerbiontech) | 432,271 |
India | (General keywords) OR (covishield OR covaxin) | 229,127 |
Australia | (General keywords) OR (pfizer OR biontech OR oxfordvaccine OR astrazeneca OR moderna OR novavax OR #pfizerbiontech) | 50,224 |
Brazil | (General keywords) OR (coronavac OR Sinovac OR AstraZeneca OR Pfizer OR BioNTech OR #pfizerbiontech OR oxfordvaccine) | 17,608 |
aGeneral keywords: (vaccine OR vaccination OR vaccinate OR covax OR #covidvaccine OR #coronavaccine OR #covidvaccination).