Though there have been promising developments in the race for a vaccine, public health experts warned that Americans should be skeptical of claims from companies that the United States soon will know if a Covid-19 vaccine is safe.
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Mon, 09/14/2020 - 4:09am
Though there have been promising developments in the race for a vaccine, public health experts warned that Americans should be skeptical of claims from companies that the United States soon will know if a Covid-19 vaccine is safe.