Overview
- The Tizayuca government launched an emergency operation in Fraccionamiento Florencia led by Mayor Gretchen Atilano.
- A preliminary assessment identified about three hectares of untreated manure in nearby farmlands as a major breeding site.
- Health authorities said no sanitary emergency has been declared and warned that houseflies can transmit typhoid, dysentery and hepatitis A.
- Residents reported heavy swarms coating homes, streets and vehicles and said prior fumigation brigades provided only short-lived relief.
- Officials urged people not to fumigate on their own as the city monitors conditions and weighs supervised biological or chemical control, while neighbors continue to press for long-term fixes.