Search	Query	Items found
#20	Search (((((COVID-19[Title/Abstract]) OR SARS-CoV-2[Title/Abstract]) OR 2019-nCoV[Title/Abstract]) OR Wuhan Coronavirus[Title/Abstract])) AND (((((((((((((Serologic test) OR Serologic method) OR Serological test) OR Serological method) OR Serodiagnosis) OR Immunodiagnosis) OR Immunological test) OR Immunological method) OR Antibody detection) OR Antigen detection) OR IgM) OR IgG) OR Immunochromatography)	78
#19	Search ((((((((((((Serologic test) OR Serologic method) OR Serological test) OR Serological method) OR Serodiagnosis) OR Immunodiagnosis) OR Immunological test) OR Immunological method) OR Antibody detection) OR Antigen detection) OR IgM) OR IgG) OR Immunochromatography	822733
#18	Search Immunochromatography	69624
#17	Search IgG	143941
#16	Search IgM	66041
#15	Search Antigen detection	82456
#14	Search Antibody detection	99123
#13	Search Immunological method	39637
#12	Search Immunological test	456120
#11	Search Immunodiagnosis	450622
#10	Search Serodiagnosis	184574
#9	Search Serological method	24322
#8	Search Serological test	191599
#7	Search Serologic method	16939
#6	Search Serologic test	184758
#5	Search (((COVID-19[Title/Abstract]) OR SARS-CoV-2[Title/Abstract]) OR 2019-nCoV[Title/Abstract]) OR Wuhan Coronavirus[Title/Abstract]	6734
#4	Search Wuhan Coronavirus[Title/Abstract]	14
#3	Search 2019-nCoV[Title/Abstract]	547
#2	Search SARS-CoV-2[Title/Abstract]	1898
#1	Search COVID-19[Title/Abstract]	5985