20/07/07 00:09:19 p+pP6oEj0.net
>>221
感染の過半数は無症状の感染者によって起きてる。
46%+10%で56%
URLリンク(science.sciencemag.org)
The contributions to R0 included 46% from presymptomatic individuals (before showing symptoms),
38% from symptomatic individuals,
10% from asymptomatic individuals (who never show symptoms),
and 6% from environmentally mediated transmission via contamination.
Results on the last two routes are speculative.