# Cutaneous myiasis outbreak in Panama Oeste

> Live situation record from CLSTR: https://clstr.news/situations/cutaneous-myiasis-outbreak-in-panama-oeste
> Updated: 2026-09-18T03:41:26.000Z. Sources: 11. Developments: 2.

In Panama Oeste, the Ministry of Health confirmed 36 cases of cutaneous myiasis caused by cattle screwworm fly larvae. Regional epidemiology director Lorena Merlo reported that the cases primarily affected adults over the age of 65, with some requiring hospitalization. 

Infections were concentrated in the districts of Arraiján and La Chorrera, particularly in areas near cattle pens or homes with dirt floors. Medical professionals advised that patients with open wounds should keep them covered and seek immediate attention to ensure the complete extraction of the parasites.

## Timeline

### 2026-09-18: Durango reports first human case of screw-worm myiasis

Durango authorities confirmed the state's first human case of screw-worm myiasis. The patient is recovering, but officials warn of risks to vulnerable populations amid a wider livestock outbreak.

8 sources. https://clstr.news/cluster/durango-reports-first-human-case-of-screw-worm-myiasis

### 2026-09-08: Panama Oeste reports 36 cases of cutaneous myiasis

Panama Oeste health officials confirmed 36 cases of cutaneous myiasis caused by cattle screwworm larvae, primarily affecting adults over 65 in the Arraiján and La Chorrera districts.

3 sources. https://clstr.news/cluster/panama-oeste-reports-36-cases-of-cutaneous-myiasis

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Cite as: Cutaneous myiasis outbreak in Panama Oeste. CLSTR, https://clstr.news/situations/cutaneous-myiasis-outbreak-in-panama-oeste