20/07/07 04:44:43.85 p+pP6oEj0.net
>>311
手で顔を触ること、つまり飛沫→モノ→手→顔を触る→ウイルス吸引などという周りくどい感染がそれほどあるわけがない。
日本の感染症の教科書は間違いだったんだよ。
そういう周りくどい感染は、たった6%だ。
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.