Human mortality from H5N1
Human Mortality from H5N1
The H5N1 is a subtype of the Influenza A virus that can cause illness in humans and many other animal species. A bird-adapted strain of H5N1, called HPAI A(H5N1) for "highly pathogenic avian influenza virus of type A of subtype H5N1", is the causative agent of H5N1 flu, commonly known as "avian influenza" or "bird flu". It is enzootic in many bird populations, especially in Southeast Asia. One strain of HPAI A(H5N1) is spreading globally after first appearing in Asia.
Human Mortality[edit | edit source]
Human mortality from H5N1 is the death caused by the H5N1 strain of the Influenza A virus in humans. The first infections of humans occurred in Hong Kong in 1997. Since then, the virus has spread from Asia to Europe and Africa. H5N1 is a significant pandemic threat, and its mortality rate is unusually high. According to the World Health Organization (WHO), H5N1 has a mortality rate of approximately 60% in humans.
Transmission[edit | edit source]
The primary route of human infection is through direct contact with infected poultry or surfaces and objects contaminated by their feces. However, there is no evidence to suggest efficient human-to-human transmission of H5N1.
Symptoms and Treatment[edit | edit source]
Symptoms of H5N1 infection can be severe and involve the respiratory system, gastrointestinal system, and the central nervous system. Treatment involves antiviral medication, such as oseltamivir (Tamiflu) or zanamivir (Relenza).
Prevention[edit | edit source]
Prevention strategies include vaccination of poultry, culling of infected animals, and personal protective measures, such as hand hygiene and the use of personal protective equipment.
See Also[edit | edit source]
- Influenza pandemic
- Influenza vaccine
- Influenza A virus subtype H1N1
- Influenza A virus subtype H3N2
- Influenza A virus subtype H7N9
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