China

Coronavirus may have a weak point – and hand washing, face masks ‘may help block transmission chain’, study says



Among the questions scientists are trying to answer about the new coronavirus is how many virus particles an infected person can pass on to others. According to a new study by Chinese researchers, the answer could be less than 10.That would be considered a narrow transmission bottleneck – meaning the number of virus particles that can be transmitted from someone who is infected to other people.“Only a few virions [entire virus particles] successfully enter host cells and eventually cause…



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