Lancet Infectious Diseases
May 2020 Volume 20 Number 5 p511-628, e79-e115
http://www.thelancet.com/journals/laninf/issue/current
Temporal profiles of viral load in posterior oropharyngeal saliva samples and serum antibody responses during infection by SARS-CoV-2: an observational cohort study
Kelvin Kai-Wang To, et al.