Delta variant July 5, 2021 9:27 am Vaccines ‘Seem to Work Pretty Well' Against Current Covid-19 Variants The New York Times’ Apoorva Mandavilli joined NBCLX to discuss how well current vaccines hold up against new variants of the coronavirus. US & World Videos 1:41 Karen Read trial Day 7: Canton police officers continue to testify 1:57 Tensions escalate as protests across Mass. colleges continue 0:21 Man arrested in Centerville stabbing that sent victim to hospital 20:21 Karen Read trial: Defense calls Canton police lieutenant's credibility into question 1:59 Car crashes over wall in Westford
