, Columnist
This Was a Big Week in Coronavirus Immunity
There’s lots of new information on how our bodies cope with Covid-19.
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A mere month ago, the idea of immunity passports had raised hopes that people who survived Covid-19 would be freed from indefinite, costly confinement. Scientists warned, though, that our immune systems, while natural wonders, don’t always provide iron-clad protection against future viral attack. This virus was too new to know.
Now scientists have new evidence that our immune systems do retain various powerful defensive weapons after SARS-CoV2 is cleared. This is critical new information. Here’s a quick update on this and other recent developments in what we know about Covid-19 immunity: