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Natural immunity superior to vaccines against delta variant, CDC study finds
An interesting development.
NEW YORK (AP) — A new study released by the Centers for Disease Control and Prevention (CDC) found that people who were both vaccinated and had survived a prior bout of COVID-19 were best protected from infection.
The study, that examined infections in New York and California last year, found that unvaccinated people with a past infection were a close second. By fall, when the more contagious delta variant had taken over but boosters weren’t yet widespread, that group had a lower case rate than vaccinated people who had no past infection.
The Centers for Disease Control and Prevention, which released the study Wednesday, noted several caveats to the research. And some outside experts were cautious of the findings and wary of how they might be interpreted.
“The bottom line message is that from symptomatic COVID infection you do generate some immunity,” said immunologist E. John Wherry of the University of Pennsylvania. “But it’s still much safer to get your immunity from vaccination than from infection.”
An interesting development.