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Johnson & Johnson vaccine may be less effective against delta variant; Vegas employees required to wear mask indoors: COVID-19 updates

July 21, 2021
Steven Vargas, USA TODAY Johnson & Johnson vaccine may be less effective against delta variant; Vegas employees required to wear mask indoors: COVID-19 updates

The Johnson & Johnson COVID-19 vaccine may not be as effective as those with mRNA technology, according to a new study. More COVID-19 updates.

     

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July 20, 2021 at 11:00PM
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