Transcript for The rare Eastern Equine Encephalitis virus has health officials on alert
We want to transition about a mosquito born virus called triple E. The rare virus has health officials on alert with word it's claimed a second life this year, this time in Michigan. The number of cases has risen to seven in Massachusetts. That's including a 5-year-old officials are deeming dozens of communities in Massachusetts at critical risk for the disease. Let's bring in Dr. Jen Ashton who is here to explain this for us. What's so alarming here is the severity of the symptoms and the deaths here. Explain that. Let's do a deeper dive on triple E. Seven cases confirmed in the state of Massachusetts. Put that into context. We normally see seven cases in the entire country. That's per year. This is a very, very rare, but deadly virus. Most people infected don't get sick. It seems to be most dangerous most people at risk are under the age of 15, over the age of 50. Of the small percentage that don't get sick, it's divided into people who get fever and body aches and those who have brain involvement. If you get triple E with fever, headache, vomiting, restlessness, drowsiness and coma, there's a 30% mortality rate. There's no treatment, no cure. The care is just supportive. That's why it's getting so much attention. You mentioned the initial symptoms. What do we do to prevent this? That's the good news, whit. We do know how to fight mosquito born illness. Use mosquito repellant. Use protective clothing and avoiding standing water. They're spraying in these regions in Massachusetts. We'll stay on top of it. Dr. Ashton, always appreciate it. Now to the fierce battle at
This transcript has been automatically generated and may not be 100% accurate.