PT - JOURNAL ARTICLE AU - Barna, Mark TI - Health officials keeping watchful eye on H5N1 mutations in US DP - 2025 Jul 01 TA - The Nation's Health PG - 1--10 VI - 55 IP - 5 4099 - http://www.thenationshealth.org/content/55/5/1.2.short 4100 - http://www.thenationshealth.org/content/55/5/1.2.full SO - Nations Health2025 Jul 01; 55