More cases of parasitic screwworm confirmed. Here's who is at risk, where it's spreading
A parasitic screwworm has been confirmed in multiple cases. The flies that carry it can lay eggs on warm-blooded animals, including humans, putting various people at risk. Cases are spreading to new areas.
7 across the spectrum. Choose a side on the bar to jump to it.
National story. 15 articles from 7 sources. Updated Aug 13, 2026.
Left
0 sourcesNo Left coverage yet.
A blind spot on this side of the story.
Center
7 sourcesRan by 14 outlets· KXAN Austin, Border Report, +12 more
Screwworm is spreading, and people can get it, too. Here's who is at risk
Right
0 sourcesNo Right coverage yet.
A blind spot on this side of the story.
The bigger story
This story is one of several related ones. Here's where it sits.