Is covid better than a ‘natural immunity’ vaccine?

Awaiting news of last month’s spectacular results from Pfizer and Modern’s experimental Covid-19 vaccine, Senator Rand Paul Tweeted An exciting comparison. Mr. Paul Lay, a Republican from Kentucky, said the new vaccine was 90 percent and 94.5 percent effective. But the “naturally acquired” Covid-19 was even better, it was 99.9982 …

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