CDC Responds To Multiple Health Threats As Parasite Cases Surge Across U.S.

departments are working to identify the contaminated food responsible, although investigators say there is currently no evidence linking all of the reported illnesses to a single nationwide outbreak, Today reported.

While those investigations continue, federal officials have also intensified their response to the return of the New World screwworm, a flesh-eating fly that poses a serious threat to livestock and wildlife.

The CDC activated a Level 3 Emergency Operations Center in mid-June to coordinate with the U.S. Department of Agriculture and state officials after the first confirmed U.S. animal case was identified on June 3, 2026.