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History of Bird Flu/Avian Influenza

Last Updated on Jul 28, 2021
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History of Avian Influenza

Confirmed instances of avian influenza viruses infecting humans since 1997 include:

  • 1997: In Hong Kong, avian influenza A (H5N1) infected both chickens and humans. This was the first time an avian influenza virus had ever been found to transmit directly from birds to humans. During this outbreak, 18 people were hospitalized and 6 of them died.
  • 1999: In Hong Kong, cases of avian influenza A (H9N2) were confirmed in 2 children. Both patients recovered, and no additional cases were confirmed. The evidence suggested that poultry was the source of infection and the main mode of transmission was from bird to human.
  • 2003: Two cases of avian influenza A (H5N1) infection occurred among members of a Hong Kong family that had traveled to China. One person recovered, the other died. How or where these 2 family members were infected was not determined. Another family member died of a respiratory illness in China, but no testing was done. No additional cases were reported.
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  • 2003: Avian influenza A (H7N7) infections among poultry workers and their families were confirmed in the Netherlands during an outbreak of avian flu among poultry. More than 80 cases of H7N7 illness were reported (the symptoms were mostly confined to eye infections, with some respiratory symptoms), and 1 patient died (in a veterinarian who had visited an affected farm). There was evidence of some human-to-human transmission.
  • 2003: H9N2 infection was confirmed in a child in Hong Kong. The child was hospitalized but recovered.

References:

  1. US NIOSH certified N-95, European CE P2, or comparable national/regional standards applicable to the country of manufacture. Higher level particulate respirators may also be used.
  2. In the control of the outbreak of avian influenza in the Netherlands in 2003, N95 or equivalent respiratory protection was used.
  3. For treatment, oseltamivir phosphate (TamifluŽ): 75 mg capsule twice daily, for 5 days.
  4. All concerned (persons at risk both environmentally and occupationally) should be vaccinated with the current WHO recommended influenza vaccine as soon as possible prior to anticipated risk exposure (2 weeks are required to develop preventive immunity by vaccination.). This does not specifically protect against H5N1.

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Comments

@Guest

I was hoping for more information

johnexo

Symptoms of avian influenza in humans have ranged from typical human influenza-like symptoms [fever, cough, sore throat, and muscle aches] to eye infections, pneumonia, severe respiratory diseases (such as acute respiratory distress syndrome). http://www.biblehealth.com

Rajay86

Good Suggestion

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