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Volume 31, Number 7—July 2025
Dispatch
Evidence of Viremia in Dairy Cows Naturally Infected with Influenza A Virus, California, USA
Figure

Figure. Epidemic curve for clinical cases of influenza A virus in 3 affected dairy herds in California, USA. We averaged the percentage of daily cases over the 3 farms and then calculated a rolling 3-day average. Open white circles on the curve represent days that virus was detected in serum.
1Current affiliation: Lonestar Epidemiology Consulting, Livermore, Colorado, USA.
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