A case of H5N1 influenza infection detected in US dairy cows

Bird Flu: Second Reported Case in Texas Highlights Necessary Precautions

The US Centers for Disease Control and Prevention (CDC) has announced the second confirmed case of H5N1 bird flu in the country, which occurred in Texas. This follows the first case that was reported in Colorado in 2022. The CDC stated that the virus strain in this new infection did not show concerning mutations.

According to the CDC, while avian flu can be transmitted to humans, infections have only occurred in individuals who have had close contact with infected animals. However, the death rate of this strain of flu is high, at up to 50% compared to 3% for regular flu. Current antibiotics are effective against circulating H5N1 influenza strains, and the CDC believes that existing vaccines will also be effective if the virus mutates to spread easily in humans.

The patient who has been diagnosed with H5N1 bird flu is currently isolated and receiving treatment with antiviral drugs. While this case does not change the assessment of public health risk associated with H5N1 influenza in the United States as previously determined by CDC, it serves as a reminder of how important it is for individuals working with poultry or other birds to take necessary precautions to protect themselves from contracting this deadly disease.

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