Taking different COVID vaccines likely safe, effective: NIH | WNT




The study from the National Institutes of Health looked at Moderna, Pfizer and Johnson & Johnson shots and determined that mixing and matching vaccines is likely safe and effective. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT':
https://bit.ly/3FJF3m5 WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT:
http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU:
https://bit.ly/3iQLwPp #WorldNewsTonight #DavidMuir #COVID19

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