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Johnson & Johnson vaccine may be less effective against delta variant, study says

CLIP07/21/21

A new study finds that the Johnson & Johnson vaccine may be less effective against the delta variant, which now accounts for 83 percent of all new coronavirus cases in the U.S. NBC’s Gabe Gutierrez reports for TODAY.

S2021 E0 1 minNews and Information Daytime Highlight
Appearing:Savannah Guthrie
Tags: health, news, Editor's picks, big news, coronavirus, Plan Your Vaccine, today

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