Most COVID cases don’t spread virus—it’s the superspreaders we need to stop

Enlarge / Crowds of people walk along the Ocean City Boardwalk during Memorial Day weekend on Sunday, May 24, 2020. (credit: Getty | Caroline Brehman)

Much about how the new coronavirus spreads from one victim to the next remains a maddening mystery. But amid all the frantic efforts to understand transmission, there is one finding that appears consistent: that it is inconsistent.

Some people-most, even-don't spread the virus to anyone in the course of their infection. Others infect dozens at a time.

It's a phenomenon that looked, at first, like anomalous anecdotes-a large outbreak from a Washington choir practice, a South Korean megachurch, a wedding in Jordan-but it has become a fixed feature of the new coronavirus, SARS-CoV-2. And researchers have started to settle on numbers for it.

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