Covid-19 may be twice as contagious as we thought

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Covid-19 may be twice as contagious as we thought

Apr 08, 2020 18:19 IST

A new study of Chinese data from the Centers for Disease Control and Prevention suggests that a single person with Covid-19 may be more likely to infect up to 5 or 6 other people, rather than 2 or 3 as previously thought. However, it’s not clear if this higher number applies only to the cases in China or if it will be similar in other countries. With the new r-naught, approximately 82% of the population needs to be immune to reach herd immunity and stop the disease from spreading easily through the population, the researchers concluded.

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