Screwworm Threat Grows as Quintana Roo Heats Up

Quintana Roo, Mexico — The surge in temperatures across Quintana Roo has raised concerns over the potential spread of the screwworm parasite, posing risks to both livestock and pets, according to state agricultural authorities.

Heat Fuels Parasite Threat

Jorge Carlos Aguilar Osorio, head of the Secretariat of Agricultural, Rural, and Fisheries Development (Sedarpe), warned that the rising heat creates favorable conditions for the reproduction of the fly responsible for the screwworm larvae. The parasite, which burrows into open wounds or body cavities of animals, can cause severe damage and even death.

To date, 15 infected animals have been reported in the municipalities of Othón P. Blanco and Bacalar. Aguilar Osorio confirmed that containment measures, including sanitation protocols, are being enforced across ranches to curb further outbreaks.

“There is significant containment work being carried out with local producers,” he stated.

Human Cases in Chiapas Heighten Concerns

The alert follows two confirmed cases of human myiasis—a parasitic infestation—in Chiapas. Aguilar Osorio urged residents to take precautions, emphasizing that pets such as cats and dogs are also vulnerable.

“We are reinforcing measures with local livestock unions and collaborating with federal authorities. Containment is one aspect, but eradication is equally critical,” he added.

The screwworm, a larvae deposited by female flies in open wounds, has been a recurring challenge in the region. While past efforts to combat the parasite have been labor-intensive, officials hope for more effective results this time.

Ongoing Containment Efforts

Authorities are working closely with the Regional Livestock Union and federal agencies to implement eradication strategies. Aguilar Osorio recalled previous battles against the parasite but expressed optimism about improved outcomes under current initiatives.

Residents are advised to monitor livestock and pets for signs of infection, particularly during periods of extreme heat, when the parasite seeks refuge in animals.