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Influenza A H5N1

April 8, 2024

GS Paper III Science and Technology

Context

Recently, Influenza A H5N1 was detected in dairy cows in six States in the U.S.

  • An emerging new lineage 2.3.4.4b of avian influenza has been spreading across the globe since late 2020, carried by migratory birds following specific routes.

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Avian Influenza A H5N1 Bird Flu

  • H5N1 is a type of influenza virus that causes severe respiratory disease in birds.
  • Transmission: Humans are also at risk but they rarely contract bird flu. 
    • Most of the cases of human infection involve people who have. prolonged or close exposure to H5N1-infected animals such as farm/poultry workers, are at a higher risk. 
  • Cases of Human Infection: Human infections with H5N1 were first reported in 1997 during a poultry outbreak in Hong Kong.
    • There have been 887 cases of H5N1 between 2003 and 2024, of which 462 people died.
  • Signs and Symptoms: Mild illness, manifested through eye redness (conjunctivitis) or mild flu-like upper respiratory symptoms, to severe (such as pneumonia requiring hospitalisation).
  • Treatment: The antiviral Oseltamivir
    • There are also vaccine candidates that have been developed, but not readily available, for H5N1.
  • Mortality: This could be as high as 60 per cent.
  • Potential of Pandemic: Avian influenza is not on the WHO priority list of pathogens of pandemic potential.
Also Read: India’s declaration of freedom from avian influenza

 

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 Final Result – CIVIL SERVICES EXAMINATION, 2023.   Udaan-Prelims Wallah ( Static ) booklets 2024 released both in english and hindi : Download from Here!     Download UPSC Mains 2023 Question Papers PDF  Free Initiative links -1) Download Prahaar 3.0 for Mains Current Affairs PDF both in English and Hindi 2) Daily Main Answer Writing  , 3) Daily Current Affairs , Editorial Analysis and quiz ,  4) PDF Downloads  UPSC Prelims 2023 Trend Analysis cut-off and answer key
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UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
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Quick Revise Now !
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध

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