Experts scratch their heads as Covid cases rise among the ...

World

Experts scratch their heads as Covid cases rise among the vaccinated

Case studies are providing conflicting views on why, leaving those who’ve had jabs concerned and scientists confused

Kristen V Brown and Rebecca Torrence

Anecdotes tell us what the data can’t: vaccinated people appear to be getting the coronavirus at a surprisingly high rate. But exactly how often isn’t clear. Nor is it certain how likely they are to spread the virus to others. And now there’s growing concern that vaccinated people may be more vulnerable to serious illness than previously thought.

There’s a dearth of scientific studies with concrete answers, leaving public policymakers and corporate executives to formulate plans based on fragmented information. While some are renewing mask mandates or delaying office reopenings, others cite the lack of clarity to justify staying the course. It can all feel like a mess.

“We have to be humble about what we do know and what we don’t know,” said Tom Frieden, a former director of the US Centers for Disease Control and Prevention (CDC) and the head of non-profit Resolve to Save Lives. “There are a few things we can say definitively. One is that this is a hard question to address.”..

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