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infectious disease

Original Title: Macro Needles Shot.jpg
Jan 12, 2026

Virginia child with measles traveled through Maryland, officials say

A Northern Virginia child with measles traveled by Amtrak and through BWI, prompting health officials to warn of possible exposures in Maryland and Virginia.

An adult New World screwworm fly sits at rest in this undated photo. (Denise Bonilla/U.S. Department of Agriculture via AP)
Aug 26, 2025

Maryland resident is diagnosed with New World screwworm. What to know about the parasite

A Maryland traveler contracted New World screwworm in El Salvador, the first U.S. case tied to travel. CDC warns of rare but serious parasite.