Estimation of the asymptomatic ratio of novel coronavirus infections (COVID-19)

H Nishiura, T Kobayashi, T Miyama…�- International journal of�…, 2020 - ijidonline.com
The number of novel coronavirus (COVID-19) cases worldwide continues to grow, and the
gap between reports from China and statistical estimates of incidence based on cases
diagnosed outside China indicates that a substantial number of cases are underdiagnosed
(Nishiura et al., 2020a). Estimation of the asymptomatic ratio—the percentage of carriers
with no symptoms—will improve understanding of COVID-19 transmission and the spectrum
of disease it causes, providing insight into epidemic spread. Although the asymptomatic ratio�…