The risk of being infected with the Coronavirus can change quickly and will vary substantially by location. We have developed the Coronavirus AREa (CARE) Score, to help you assess the current disease activity in the geographic areas where you live and visit.
The CARE score is calculated from the number of new Covid-19 cases reported in a town or other area in the previous two weeks, divided by the local population, and multiplied by 100,000. The resulting number is the two-week incidence per 100,000 people.
Time Period and Infection Risk
The incubation period for Covid-19 is estimated to be between 2 and 14 days (1). The CDC estimates that 35% of people with the Covid-19 virus have minimal or no symptoms and yet may still spread the infection (2). Therefore, it continues to be important to take precautions when deciding where to go out, as well as practicing social distancing and using a mask.
Data Source
The Massachusetts Department of Public Health publishes new Covid-19 case numbers by town every Wednesday. They receive these counts from the Massachusetts Bureau of Infectious Diseases and Laboratory Science.
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