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More cases of parasitic screwworm confirmed. Here's who is at risk, where it's spreading

More cases of parasitic screwworm confirmed. Here's who is at risk, where it's spreading
Photo: KTSM 9 News (NBC) · view original

The screwworm flies can lay eggs on any warm-blooded animal, including people. Those eggs develop into parasitic larvae, or maggots, that feed on the surrounding flesh as they burrow deeper.

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