Highly Pathogenic Avian Influenza (H5N1) Spreading in US Dairy Cows Raises Concerns
In a recent development, highly pathogenic avian influenza (H5N1) has been spreading among dairy cows in the United States, with 32 affected herds confirmed in 8 states by the USDA. However, federal authorities are facing criticism for not sharing enough information regarding the outbreak, including crucial genetic details.
There is growing concern among experts as it remains unclear if the affected herds are linked or if multiple outbreaks are occurring. The virus is believed to be spreading through cow-to-cow transmission via contaminated equipment, with a worrying discovery of the virus in an asymptomatic herd raising concerns about silent spread.
The USDA has been encouraging testing for herds showing clinical symptoms, as well as testing asymptomatic cows. Additionally, there are fears that the virus has spread back into nearby poultry farms from dairy farms, with experts warning about the possibility of the virus evolving to infect humans and potentially spilling over into nearby pig farms.
In response to criticism, the USDA has released 239 genetic sequences from the investigation. While the USDA and CDC consider the public risk to be low, precautions are being advised for farmworkers. The milk from sick animals has been destroyed, with the FDA expressing confidence that the virus is killed during the pasteurization process.
As authorities continue to investigate and monitor the situation closely, the dissemination of more genetic data is crucial for understanding the outbreak and implementing effective control measures. The potential implications of the spread of highly pathogenic avian influenza in dairy cows are a cause for concern and require swift and transparent action to prevent further escalation of the situation. Stay tuned to KP Insider for more updates on this developing story.
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