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Excelsio Media by Nelson Alarcón - alarcónnelson

Positive result for 1st US COVID-19 vaccine trial

Positive result for 1st US COVID-19 vaccine trial
he 1st experimental COVID-19 vaccine in the US revved up people's immune systems just the way scientists had hoped, researchers reported Tuesday. The vaccine will undergo its most important test later around July 27: a 30,000-person study.


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