BOSTON (CBS) – The Centers for Disease Control and Prevention has released an updated map showing high levels of COVID-19 transmission across the country.
There are now nine counties in Massachusetts where it’s recommended that people wear masks indoors, even if you’re fully vaccinated, because transmission rates of coronavirus are high or substantial.READ MORE: Coronavirus In Massachusetts: Today's Developments
Barnstable and Nantucket counties are considered high risk.READ MORE: Hurley: Even In Defeat, Tom Brady Just Delivers
Middlesex, Suffolk, Bristol, Plymouth, Essex, Worcester and Hampden counties are now all considered substantial risk.
The CDC’s transmission data is a combination of new cases by population and positivity rate.MORE NEWS: No Arrests Made, Victim Remains In Critical Condition Following South Shore Plaza Shooting
You can see the latest CDC map here.