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Coronavirus Updates
Bay Area breaking news and info on Coronavirus
A COVID-19 Vaccine May Be Only 50% Effective. Is That Good Enough?
Scientists are racing to develop a vaccine that proves 'safe and effective.' It may not prevent infection in everyone who gets it, but it still could eventually stop the pandemic. Here's how.
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KQED Science is the largest science and environment reporting unit in California and is supported by The National Science Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, Campaign 21 and the members of KQED.