COVID-19 was twice as contagious as experts thought when pandemic started, study says on September 28, 2020 Get link Facebook X Pinterest Email Other Apps The study also shows about 6 billion more people worldwide need to get infected to achieve herd immunity. from Yahoo News - Latest News & Headlines https://ift.tt/33bc4qb Comments
The study also shows about 6 billion more people worldwide need to get infected to achieve herd immunity.
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