BROOKE WALKER OF MANHATTAN AND 48-YEAR-OLD ROBERT McLAURIN OF NORTH CAROLINA. POLICE SAY THE DRIVER AND PASSENGER WERE BOTH ARRESTED. >>> THE MAN WHO LED THE RESPONSE TO THE COVID PANDEMIC HAS COME DOWN WITH A DIFFERENT DISEASE. DR. ANTHONY FAUCI TELLS CBS NEWS HE IS RECOVERING AT HOME AFTER BEING HOSPITALIZED WITH THE WEST NILE VIRUS. HE WAS FIRST HOSPITALIZED 10 DAYS AGO WITH FEVERS, CHILLS, AND FATIGUE. HE SAYS HE LIKELY CONTRACTED WEST NILE FROM A MOSQUITO BITE IN HIS BACKYARD. MORE MOSQUITO SPRAYING WILL TAKE PLACE IN THE COMING DAYS. WEST NILE IS NOT THE ONLY ILLNESS ON THE MINDS OF HEALTH OFFICIALS. >> Reporter: DRONE VIDEO FROM THE NEW YORK CITY DEPARTMENT OF SANITATION SHOWS TREX SPRAIN TESTIFIED TO KILL MOSQUITOES. CREWS HAVE BEEN OUT 10 TIMES THIS SUMMER AND IS SCHEDULED AGAIN THIS MONDAY AND WEDNESDAY SCHEDULING IN UPPER MANHATTAN AND SOUTHWEST BROOKLYN. IN THE BRONX, AS FAMILIES ENJOY THE SUNSHINE AND THEN CORTLAND PARK, MOSQUITO SAFETY WAS ON SOME PARENTS' MINDS AFTER THE CITY REPORTED FOUR PEOPLE HAVE TESTED POSITIVE FOR WEST NILE SO FAR THIS SUMMER. HOW IMPORTANT IS IT FOR YOU TO MAKE SURE YOUR KIDS ARE PROTECTED? >> VERY. THAT'S WHY I AM USING THE PERCUSSION OF USING REPELLENT. WE'VE GOTTEN BITTEN A COUPLE TIMES COMING IN ALREADY. IT KIND OF HURT A LITTLE MORE TODAY. I DON'T KNOW WHY. >> BUT IT IS NOT JUST WEST NILE. IN MASSACHUSETTS, MAN IN HIS 80s HAS TESTED POSITIVE FOR EASTERN EQUINE ENCEPHALITIS, OR TRIPLE E . >> WE DON'T WANT TO SEE ANOTHER CASE OF TRIPLE E THIS YEAR. >> THE RARE BUT DANGEROUS CASE CAN CAUSE SWELLING TO THE BRAIN, THERE IS NO TREATMENT AND ANYONE CAN GET INFECTED. THE DEATH RATE,