A two-metre distance is significantly more effective at reducing the transmission of Covid-19 than one metre, according to the most comprehensive study of viral transmission to date published in The Lancet on Monday.
Wearing face and eye protection also significantly reduces the risk of transmitting the virus, the peer-reviewed paper stated, based on 172 observational studies of virus behaviour in community and healthcare settings.
“The overwhelming message is that physical measures are effective in preventing Covid-19,” said Trish Greenhalgh, professor of primary care health services at the University of Oxford.
您已閱讀20%（618字），剩余80%（2466字）包含更多重要信息，訂閱以繼續探索完整內容，并享受更多專屬服務。