The World Health Organization (WHO) has confirmed the first-ever human death from the H5N2 strain of avian influenza, also known as bird flu. The fatality occurred in Mexico in a 59-year-old man with underlying health conditions.
This marks the first globally documented case of human infection with the H5N2 strain, raising concerns about the potential for wider spread.
The patient, a resident of the State of Mexico, sought medical attention on April 24 after experiencing fever, shortness of breath, diarrhea, nausea, and general discomfort. He was hospitalized in Mexico City but died the same day due to complications. Subsequent laboratory tests confirmed the presence of the H5N2 virus in his respiratory samples.
While the exact source of the man’s exposure remains unknown, H5N2 viruses have been reported in poultry in Mexico. It is important to note that this strain is different from the H5N1 strain currently circulating among birds and some mammals in the United States and other parts of the world.
The WHO assesses the risk to the general population from the H5N2 virus as low, based on currently available information. However, this case highlights the importance of ongoing surveillance and preparedness efforts to monitor the evolution of avian influenza viruses and their potential to infect humans.
Mexican health authorities are working closely with the WHO to investigate the case and implement measures to prevent further spread. These efforts include tracing the patient’s contacts, strengthening surveillance of avian influenza in both birds and humans, and raising awareness among the public and healthcare workers about the symptoms and risks of bird flu.
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While the risk to the general public remains low, it is crucial to remain vigilant and take precautions to prevent the spread of avian influenza. These precautions include avoiding contact with sick or dead birds, practicing good hygiene, and ensuring that poultry and eggs are cooked thoroughly before consumption.
This case serves as a reminder that avian influenza viruses continue to pose a potential threat to human health, and ongoing research and monitoring are essential to understand and mitigate this risk.
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