In late August, a Massachusetts woman died of Eastern Equine Encephalitis (EEE). Three other human cases have been reported in the state this year, the first since 2013, according to the Massachusetts Department of Health (MDPH). Additionally, a goat and three horses have also tested positive for EEE. Massachusetts experiences an outbreak once in a decade or two, with each outbreak lasting two to three years, according to MDPH. Nine cases were reported between 2010 and 2012, during which four people died, and 13 cases were reported between 2004 and 2006. Eastern equine encephalitis (EEE) is a rare but serious disease caused by a virus generally spread to humans through the bite of an infected mosquito. EEE can cause flu-like symptoms or brain infections. Approximately a third of all people with EEE die from the disease. In total across Massachusetts, there are 24 communities now at critical risk, 24 at high risk, and 55 at moderate risk for the EEE virus. (See map.)“Although cooler weather will start to reduce mosquito populations, the season is not over yet,” said Public Health Commissioner Monica Bharel, MD, MPH. “We are urging people across the state to remember that the peak time for transmission of mosquito-borne illness extends through September here in Massachusetts.” In the U.S., an average of seven human cases of EEE are reported annually, according to the Center for Disease Control (CDC). Most cases of EEE have been reported from Florida, Massachusetts, New York, and North Carolina. EEEV transmission is most ...