Study shows how quickly coronavirus spreads at home

The novel coronavirus is twice as infectious within households than similar diseases such as SARS, with a substantial number of additional infections spreading before a COVID-19 sufferer shows any symptoms, according to modelling released Thursday. Researchers based in China and the United States said their findings could have profound impacts on reducing the number of new infections as the pandemic progresses. Using data on 350 COVID-19 patients and nearly 2,000 of their close contacts in the city of Guangzhou, China, the researchers estimated the virus' "secondary attack rate" --- that is, the probability that an infected person transmits the disease to someone else. They ...Keep on reading: Study shows how quickly coronavirus spreads at home

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