Farmers have stepped up biosecurity as the current strain of avian influenza is more transmissible than other outbreaks.

H5 avian influenza found in Ontario poultry flock

H5 avian influenza has been confirmed on an Ontario premise in the Municipality of Strathroy-Cardoc. The presence of the virus was confirmed by the Canadian Food Inspection Agency (CFIA) Dec. 16. The infected premise has been placed under quarantine. CFIA will also be establishing specific movement control measures and permitting processes for farms within the […] Read more








Photo: File

Bird flu spreads to California dairy cows

Cows at three dairy farms in California tested positive for H5N1 bird flu at the end of August, marking an expansion of the virus into the largest dairy producing region of the United States, according to an announcement from the state’s agriculture department. More than 190 herds have been infected across the U.S. since March, […] Read more



To date, 169 dairy herds have been affected by avian influenza in the U.S.  Photo: Thinkstock

Light shed on bird flu spread in mammals

Researchers from Cornell University have determined how cows infected with H5N1 bird flu were able to spread the virus to other cows and mammals. In the study published in the journal Nature on July 24, scientists used genomic data, computer modeling, and data about the virus’s spread to show how infected cows from Texas spread bird flu […] Read more