First Human Death from Avian Flu in the US: What You Need to Know
In a significant development, the United States has recorded its first death due to avian flu, with a 65-year-old patient in Louisiana succumbing to the virus, commonly known as H5N1. The Louisiana Department of Health (LDH) announced this news on Monday, stating that the patient was the first to be hospitalized due to the virus in the country.
The LDH reassured the public that the investigation into the case found no additional H5N1 cases or evidence of human-to-human transmission. The risk to the general public remains low. However, those with pre-existing conditions, like the deceased, are at a higher risk.
Since April, the Centers for Disease Control and Prevention (CDC) has confirmed a total of 66 human cases in the US, although none are as severe as the Louisiana case. Authorities believe the patient caught the virus from contact with backyard poultry and wild birds.
While the risk to humans is still low, millions of birds and cattle have been culled in efforts to contain the virus. The CDC reports that most of the infected humans in recent months have been exposed through work with contaminated birds or cattle. Around 40 of the 66 cases have been linked to dairy cow operations, and another 23 have been traced to chicken farms and slaughterhouses.
"Although the risk to the general public is currently low, people who work with birds, poultry, or cattle, or have recreational exposure to them, are at a higher risk," the LDH warned in a statement.
Last month, California declared a state of emergency related to avian flu after several dairy cows in the western part of the state tested positive for the virus. On Monday, the CDC reported 701 confirmed cases in California’s dairy cows, out of a total of 917. Many human avian flu cases in the US have also been concentrated in California, which has a large agriculture sector. However, there has been no recorded human-to-human transmission.
In a worrying development, the CDC announced at the end of December that genetic analysis of the Louisiana patient’s virus showed that it had mutated while in the patient, potentially making it better at binding to the receptors in the human upper respiratory tract. While this is concerning, it does not yet indicate that the virus can easily spread from person to person, according to Michael Osterholm, a disease expert at the University of Minnesota.
The World Health Organization (WHO) stated in its latest health update that the global impact of infections remains "minor." However, as the virus continues to mutate and spread, health officials worldwide remain vigilant.
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