Florida nurse Megan Patterson gave the COVID-19 vaccine to both of her 80-year-old grandmothers, roughly one year after the start of the pandemic. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3bPBHkv 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 #MeganPatterson #Vaccincations