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Five states in India has recently reported the avian influenza (bird flu). Which of the following micro organism is responsible of this flu?(Jan)
1. Small pox virus.
2. Corona virus
3. H1N1
4. H5N1

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Correct Answer - Option 4 : H5N1

The Correct Answer is H5N1.

  • H5N1 is a type of influenza virus that causes a highly infectious, severe respiratory disease in birds called avian influenza (or "bird flu").
  • Human cases of H5N1 avian influenza occur occasionally, but it is difficult to transmit the infection from person to person. 
  • When people do become infected, the mortality rate is about 60%.
  • Influenza viruses constantly undergo genetic changes. It would be a cause for concern, should the H5N1 virus become more easily transmissible among humans
  • The symptoms of H5N1 infection may include fever (often high fever, > 38°C) and malaise, cough, sore throat, and muscle aches. Other early symptoms may include abdominal pain, chest pain and diarrhoea.
  • Candidate vaccines to prevent H5N1 infection have been developed, but they are not ready for widespread use.

​ 

  • Bird flu or Avian influenza outbreak has spread to four states in the country, which have reported confirmed cases of the disease, These states are - Rajasthan, Madhya Pradesh, Himachal Pradesh, Kerala, and Haryana.
    • In Kerala, as many as 50,935 birds have been culled to stop the spread of the bird flu. This is in addition to the 25,000 odd birds that had died due to the bird flu outbreak in the state.
    • Himachal Pradesh - In the state's Pong wildlife sanctuary, around 381 more migratory birds were found dead, taking the death toll of the birds from avian influenza to 3,409.
    • Odisha - The Odisha government has asked people to not panic over the incident as the avian influenza virus test came negative in all five selected samples. 
    • Haryana - The state Animal Husband and Dairying department has sent three samples to the High-Security Animal Disease Laboratory in Bhopal after the intervention of the Centre. Samples from two were found positive.

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