
A healthcare worker administers a dose of the Pfizer-BioNTech Covid-19 vaccine at San Diego State University on April 1. Health experts are pleading with Americans to keep taking precautions until they are fully vaccinated.
Mandatory Credit: Bing Guan/Bloomberg/Getty Images
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Get fully vaccinated before resuming normal activities, health experts plead with Americans
With fears growing the US may be facing a fourth surge of Covid-19 cases, health experts are pleading with Americans to keep taking precautions until they are fully vaccinated.

