Herd Immunity May Be Closer Than You Think
7/8/20
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from The Wall Street Journal,
7/6/20:
Some early assumptions about Covid-19 no longer add up—and that could be good news for the future progress of the virus. There are reasons to think the novel coronavirus began spreading earlier than previously understood, raising the possibility that herd immunity is closer than we think.
Antibody tests could significantly underestimate the number of novel coronavirus infections.
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