One Person In The Room With You Has COVID-19. Here’s How Long It Takes To Get Infected

Keep six feet of distance. Issued by the疾病预防控制中心 and adopted by many businesses, it’s the guideline that most of us have lived by during COVID-19.

But as the climate has turned cold and some of us have moved indoors, John Bush, a professor of applied mathematics at MIT, calls such a rule of thumb “dangerous” and “overly simplistic.” Because when you’re inside, microscopic droplets….阅读更多