U.S. confirms second Texas screwworm case, Canada restricts livestock imports

New World screwworm larvae feed on the living tissue of warm-blooded animals, creating severe wounds that can be fatal if left untreated.

# U.S. confirms second Texas screwworm case, Canada restricts livestock imports New World screwworm larvae feed on the living tissue of warm-blooded animals, creating severe wounds that can be fatal if left untreated. **Read the full article:** [CNBC](https://www.cnbc.com/2026/06/06/us-confirms-second-texas-screwworm-case.html) *This article was originally published by CNBC. MoneyWiseInc provides expert curation of the best financial content from trusted sources.*