How many cases of EEE are there in Massachusetts?
EEE outbreaks tend to occur in two to three year cycles in Massachusetts, and after a record 2019 outbreak that included 12 total cases with 6 deaths, Massachusetts again faces a risky year for the rare but dangerous eastern equine encephalitis. In 2020, there were five cases of EEE in Massachusetts.
How many triple E cases are in Massachusetts?
Statistics & Maps
| State | Number of Reported Cases |
|---|---|
| Massachusetts | 26 |
| Michigan | 18 |
| Missouri | 1 |
| Montana | 1 |
How common is EEE?
Compared with other mosquito-borne viruses, EEE is exceedingly rare. Last year’s outbreak translates to 1 case per 10 million people in the U.S. However, EEE is also exceptionally dangerous. About one in three people who become severely ill with the virus die.
Why is EEE in Massachusetts?
The virus that causes EEE is spread through the bite of an infected mosquito. In Massachusetts, the virus is most often identified in mosquitoes found in and around freshwater, hardwood swamps.
Should I worry about EEE?
However, EEE is also exceptionally dangerous. About one in three people who become severely ill with the virus die. Severe cases occur when people develop the virus’s most fatal symptom: brain inflammation or swelling, called encephalitis.
What mosquito causes EEE?
EEEV is maintained through a natural cycle between the Culiseta melanura mosquitoes and birds. The spread of EEEV to mammals (including humans and horses) occurs through the bite of certain infected mosquito species (i.e. Aedes, Coquillettidia, and Culex) that feed on both birds and mammals.
Is EEE an epidemic?
Outbreaks of EEE usually occur in Massachusetts every 10-20 years. These outbreaks will typically last two to three years. The most recent outbreak of EEE in Massachusetts began in 2019 and included twelve cases with six fatalities. The outbreak continued in 2020 with five cases including one fatality.
How often do outbreaks of EEE occur in Massachusetts?
However, in an active year human cases can occur throughout the state. Outbreaks of EEE usually occur in Massachusetts every 10-20 years. These outbreaks will typically last two to three years. The most recent outbreak of EEE in Massachusetts began in 2019 and included twelve cases with six fatalities.
What causes EEE in Massachusetts?
The virus that causes EEE is spread through the bite of an infected mosquito. In Massachusetts, the virus is most often identified in mosquitoes found in and around freshwater, hardwood swamps. More information about different types of mosquitoes that can spread the virus can be found on the Mosquito-borne Diseases website.
How many cases of EEE are there in the US?
In the United States, an average of 11 human cases of EEE are reported annually. To ensure standardization of reporting across the country, CDC recommends that the national surveillance case definition be consistently applied by all state health departments.
What does EEE stand for?
Information about Eastern Equine Encephalitis (EEE) and mosquito control. Eastern equine encephalitis (EEE) is a rare but serious disease caused by a virus that can affect people of all ages.