US to start nationwide testing for H5N1 flu virus in milk supply
Briefly

The ultimate goal of the USDA is to eliminate cattle as a reservoir for H5N1, while using contact tracing and isolation until vaccines are ready.
Stage 3 of USDA's five-stage plan focuses on isolation and contact tracing, essential for controlling H5N1, following sample testing on a state-by-state basis.
The possibility of regular virus re-introduction in dairy cattle complicates USDA's goal of demonstrating freedom from H5N1, emphasizing the need for ongoing containment efforts.
Testing will focus on states with known cattle-to-human transmission, ensuring timely updates on USDA's efforts and progress in controlling H5N1.
Read at Ars Technica
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