https://www.selleckchem.com/pr....oducts/ll37-human.ht
The missing asymptomatic COVID-19 infections have been overlooked because of the imperfect sensitivity of the nucleic acid testing (NAT). Globally understanding the humoral immunity in asymptomatic carriers will provide scientific knowledge for developing serological tests, improving early identification, and implementing more rational control strategies against the pandemic. Utilizing both NAT and commercial kits for serum IgM and IgG antibodies, we extensively screened 11766 epidemiologically suspected individuals on enrollment and