Sunday

H1N1 Influenza A Subtype (Virus Infection)

H1N1 Virology:
  • Influenza A (H1N1) virus is a subtype of influenzavirus A.
  • They are RNA viruses of the family Orthomyxoviridae (the influenza viruses).
  • Some strains of H1N1 are endemic in humans.
H1N1 Epidemiology:
  • Some strains of H1N1 are endemic in humans.
  • In 2006 H1N1 strains caused ~ 50% of all human flu infections.
  • There are also other H1N1 strains which are endemic in:
    • Pigs (swine influenza)
    • Birds (avian influenza)
  • Influenza A(H1N1) 2009 is a new virus & one to which most people have little or no immunity.
  • The virus is spread from person-to-person.
Clinical Features:
  • Signs of influenza A(H1N1) are flu-like.
  • Recognized symptoms include:
    • Cough
    • Fever
    • Headache
    • Muscle and joint pain
    • Runny nose
    • Sore throat
    • Vomiting & diarrhoea (sometimes)
  • Temperature is > 38 degrees Celsius
Important H1N1 Outbreaks:
2009 Flu Pandemic:
  • Announced in June 2009 by the World Health Organization (WHO).
  • Called "swine flu" by the public media outlets.


Posted by ALCHEssMIST.
Alchemipedia | Home | Index | AZ | Numbers | Years | Animals | Architecture | Art | Business | Fashion | Films | Food & Drink | Games | Health | History | Literature | Media | Music | People |Politics | Science | Sport | Technology | World |

No comments:

 
Web Statistics