What is a screwworm? It’s a parasite whose larvae don’t just feed on dead tissue like normal maggots—they eat living flesh. The first U.S. human case was just confirmed. Symptoms include painful, foul-smelling wounds with visible larvae, and if untreated, it can be fatal. Treatment involves surgical removal of the larvae, ivermectin to kill what’s left, and antibiotics like cephalexin or doxycycline to prevent bacterial infection. It’s rare, but it’s a reminder: if a wound looks worse than it sh
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