A new study suggests that the one-shot Johnson & Johnson vaccine may be less effective against the delta variant and that the people who’ve received it may need a booster. The CDC does not recommend that and the study is facing backlash because it was not peer-reviewed and had a small sample size. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC
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#J&J #Vaccines #Delta
Study Shows J&J Covid Caccine May Be Less Effective Against Delta Variant