The state's third case of Eastern Equine Encephalitis, in a horse stabled in Tyngsborough, has been confirmed by state health officials, according Boston.com.
The mosquito level threat has been raised to “critical” in Tyngsborough. Surrounding towns of Chelmsford, Dracut, Dunstable, Groton, Lowell and Westford have been raised to “moderate” risk.
According to the report, areas rated “critical” or “high” are urged to cancel outdoor evening activities.
Here are some tips from the Massachusetts Department of Public Health on how to protect yourself from mosquitoes, which can transmit EEE and West Nile Virus.