Influenza A H1N1 by Dr.J Nuchin-Belgaum

Influenza, commonly known as the flu, is a highly contagious viral infection of the respiratory tract. Although the flu affects both sexes and all age groups, kids tend to get it more often than adults. The illness even has its own season — from November to April, with most cases occurring between late December and early March.
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  Dr. Jagadish Nuchin MD,MBA   June 10, 20091  Problem statement - In pigs  Swine fluorpig fluorhog fluor SIV  Endemic (H1N1 and H3N2) in mostof the countries- worldwide- OIE  25 percent of animals showantibody evidence of infection.(51% in north-central America)  Occurs all the months  Outbreaks usually occur in coldseason  H1N1 strains are circulating in pigpopulation since 1930 and H3N2 June 10, 20092    Transmission of swineinfluenza virus frompigs to humans is notcommon( Zoonotic swine flu)-very rare  So far only few suchcases have beenoccurred globally withno man to mantransmission (WHO)  Pigs have beendescribed as ‘mixingvessels’ for the variousinfluenza virus strains- June 10, 20093  Problem statement in Man  Influenza is an ARTI caused byinfluenza viruses  Occurs in all the countries affecting5-15%of the global population,resulting in severe illness in3-5million patientsand causing250,000-500,000deaths worldwide.  In addition to these annualepidemics, the influenza A virus hascaused three major global pandemicsduring the 20th century:the Spanish June 10, 20094
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