Video: Boston infectious disease specialist discusses new strains of omicron variant

New national data about COVID-19 shows that three strains of the omicron coronavirus variant are causing 100% of infections in the United States.

Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ

Get more Boston news: http://www.wcvb.com
Like us: https://www.facebook.com/wcvb5
Follow us: https://twitter.com/WCVB
Instagram: https://www.instagram.com/wcvb5/