Mayor Bill de Blasio said 96% of the city’s teachers have received at least one dose of the vaccine. Also, Johnson & Johnson will seek FDA authorization for a COVID-19 booster shot. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: https://abc.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #COVID-19 #VaccineMandate #NYC #PublicSchools #MayorBillDeBlasio