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Second human death from screwworm myiasis confirmed in Oaxaca
The woman had injuries to her gums, so a fly entered her mouth and laid its eggs.
The woman died on September 5; however, the cause of death was only recently confirmed. | Photo: Special
Álvaro Morales
Oaxaca, Oaxaca /14.10.2026 15:42:39
Health authorities in Oaxaca confirmed the second death resulting from screwworm myiasis in the state.
The victim, who died on September 5 , was a woman over 80 years old from the district of Miahuatlán de Porfirio Díaz, in the southern mountains of the state, who, according to hospital reports, required permanent help to move around and suffered from gum injuries .
This caused a fly to enter the oral cavity and lay its eggs in one of the wounds without its caretakers noticing.
Although the woman died on September 5, the cause of her death was only confirmed within the last 24 hours. Health authorities indicated that she died in a hospital of the Mexican Social Security Institute (IMSS).
First victim, an elderly person; died in April
The victim added to a death resulting from screwworm myiasis confirmed on April 14 by state authorities; it was an 88-year-old man from the town of Santa Cruz, belonging to San Pablo Etla, in the Central Valleys of Oaxaca.
The man died on April 9 at the "Aurelio Valdivieso" Civil Hospital in the city of Oaxaca.
At the time, it was reported that the man suffered from comorbidities such as untreated Parkinson's disease , which left him bedridden. As with the second victim, the screwworm infestation was reported in the mouth.
Autoridades de Oaxaca confirmaron la muerte de una mujer por miasis por gusano barrenador.
www.milenio.com
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Two new deaths from screwworm myiasis in humans confirmed in Mexico
The federal Health Ministry confirmed two new deaths from myiasis caused by Cochliomyia hominivorax, bringing the total number of deaths to eight since the outbreak began.
César Cubero
Monterrey, Nuevo León /21.10.2026 11:21:00
The Federal Health Secretariat confirmed two more deaths in Mexico from myiasis caused by Cochliomyia hominivorax in humans (cattle screwworm) ,
one in Nayarit and one in Puebla ; so now the total in the country, as of week 40 and as of October 16, is eight deaths from this cause.
Of these, the authority specified, two were registered in Oaxaca, two in Veracruz, and one in the states of Nayarit, Puebla, Querétaro and Yucatán.
Meanwhile, regarding cases treated at health centers, 23 were reported in week 40, bringing the national total to 780.
Of that total, 85 percent, or 663, are patients treated this year, compared to 117, or 15 percent, in 2025 ; while none of the eight deaths were recorded last year.
Based on official statistics, it is noted that Nuevo León remains with four positive cases of this disease and no deaths due to this cause.
On the data side, the Epidemiological Bulletin indicates that of the 23 cases in week 40, Puebla led with four, followed by Jalisco with three, and Chiapas and Veracruz with two.
And from Mexico City, Coahuila, Guanajuato, Guerrero, Hidalgo, Michoacán, Morelos, Nayarit, Oaxaca, Quintana Roo, San Luis Potosí and Yucatán with one.
Likewise, the official weekly report highlights that at the national level, of the total cases in the years 2025 and 2026, the top 6 federal entities with the most people infected by the screwworm are Chiapas with 171, Veracruz with 125, Puebla with 74, Oaxaca with 70, Yucatán with 54 and Guerrero with 41.
mrg
La Secretaría de Salud federal confirmó dos nuevas muertes por gusano barrenador en Nayarit y Puebla; suman 8 decesos y 780 casos en México.
www.milenio.com