Sudden Screwworm Resurgence Finds Catalyst in Ideal Fly Weather
The New World screwworm has made a comeback in the US after months of relatively muted cases, thanks in large part to milder temperatures and humidity that are encouraging the deadly livestock parasite’s activity.
<p>The New World screwworm has made a comeback in the US after months of relatively muted cases, thanks in large part to milder temperatures and humidity that are encouraging the deadly livestock parasite’s activity.</p>