Evidence of Viremia in Dairy Cows Naturally Infected with Influenza A Virus, California, USA

We confirmed influenza A virus (IAV) by PCR in serum from 20 cows on 3 affected dairy farms in California, USA. Our findings indicate the presence of viremia and might help explain IAV transmission dynamics and shedding patterns in cows. An understanding of those dynamics could enable development o...

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Bibliographic Details
Main Authors: Jason Lombard, Chloe Stenkamp-Strahm, Brian McCluskey, Blaine Melody
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2025-07-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/31/7/25-0134_article
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