NOT RECEIVED ANY RESPONSE TO OUR INQUIRIES. CHRISTINA HAGER, WBZ NEWS. >>> BREAKING TONIGHT, A MAN IN HIS 80s FROM WORCESTER COUNTY IS THE FIRST PERSON THIS YEAR INFECTED WITH TRIPLE E. WE DON'T KNOW HIS CONDITION OR EXACTLY WHERE HE IS FROM, BUT THE STATE IS RAISING THE RISK LEVEL TO CRITICAL IN FOUR TOWNS. DOUGLAS, OXFORD, SUTTON, AND WEBSTER. THE THREAT USUALLY EASES WITH THE FIRST FROST, BUT THE HEAT AND HUMIDITY THIS SUMMER COULD EXTEND IT. PAUL BURTON IS LIVE IN HAVERHILL. THIS COULD BE A PROBLEM AS KIDS ARE HEADED BACK TO SCHOOL AND SCHOOL SPORTS. >> Reporter: THAT'S EXACTLY WHAT IS ON PARENTS' MINDS. THEY KNOW HOW DANGEROUS TRIPLE E CAN BE. AS PART OF THEIR GAME PLAN, THEY ARE ERING ON THE SIDE OF CAUTION. FROM SOCCER TO BASEBALL TO LACROSSE, THE BUSY SPORT SEASON IS ABOUT TO BEGIN. A COLLECTION FROM MOSQUITOES FROM A SURVEILLANCE SITE IN HAVERHILL HAVE TESTED POSITIVE FOR TRIPLE E. >> THAT CONCERNS ME. >> Reporter: HAVERHILL IS ONE OF MANY TOWNS THEY ARE REPORTING TRIPLE E RISK LEVELS THROUGH THE THE STATE. HAVERHILL IS CONSIDERED MODERATE RISK. JUST TODAY, THE STATE ANNOUNCED ITS FIRST HUMAN CASE OF TRIPLE E. A MAN IN HIS 80s FROM WORCESTER COUNTY. JANET TAKES THE THREAT SERIOUSLY. SHE SAID SOMEONE SHE KNEW PASSED AWAY AFTER TESTING POSITIVE WITH THE VIRUS. >> I HAVE SEEN SOMEBODY WHO WAS REALLY HEALTHY AND HAD IT AND WAS IN THE HOSPITAL. JUST TERRIBLE. IT'S A TERRIBLE DISEASE. >> FOOTWORK. CARD OWE. >> Reporter: CASH PRACTICES SOCCER WITH HIS KIDS AT HAVERHILL HOSPITAL IN THE MORNING AND AFTERNOON. >> I DIDN'T KNOW IT WAS IN HAVERHILL. BUT I TRY TO GET THEM DRESSED AND SPRAYED HIM DOWN AS MUCH AS I CAN. TRY TO KEEP HIM SAFE. >> Reporter: 17-YEAR-OLD LACROSSE PLAYER JAKE STAPLES REMEMBERS THE LAST TIME THE CITY OF HAVERHILL HAD TRIPLE E, IT GREATLY AFFECTED HIS FOOTBALL SEASON. >> A WHILE AGO, I PLAYED FOOTBALL AND OUR PRACTICES WERE CUT SHORT. IT IS A BUMMER BECAUSE WE LOST A LOT OF PRACTICE TIME AND GAME TIME. >> Reporter: OFFICIALS URGED RESIDENTS TO TAKE PRECAUTIONS. BE AWARE OF PEAK MOSQUITO FROM DUSK UNTIL DAWN. >> JUST LIKE I'M DOING. WEARING LONG SLEEVES. USING MOSQUITO SPRAY. TRYING NOT TO BE OUT AFTER SUNSET. >> Reporter: AND WE REACHED OUT TO THE ATHLETIC DEPARTMENT HERE IN HAVERHILL TO SEE IF THEY PLAN TO CHANGE THEIR SEASONAL SPORTS SCHEDULE. WE HAVE NOT HEARD BACK YET. HEA