Rising Covid-19 Breakthrough Cases Hinder Efforts to Control Virus2021-11-06/in News“Breakthrough infections are not rare, and they’re not unexpected, and they’re not very concerning,” said Dan Barouch. Read Article https://cvvr.hms.harvard.edu/wp-content/uploads/2020/10/wsj.jpg 400 400 Morgana Souza https://cvvr.hms.harvard.edu/wp-content/uploads/2020/03/cvvr-header-banner-long-white-bg.png Morgana Souza2021-11-06 08:54:522021-11-08 08:58:47Rising Covid-19 Breakthrough Cases Hinder Efforts to Control Virus