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2009 Sept 1 Nwrc H1 N1
1. Influenza Pandemic H1N1 2009 Meeting with North West Regional College Sept 1, 2009 Dr. Brenda Cholin
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5. Potential Sources of Pandemic Influenza Virus Reassortmentvirus Influenza A viruses from birds or pigs may undergo changes through genetic mutation or reassortment with human influenza with potential to create a human pandemic influenza virus . Non-human V irus in bird or pig DIRECT
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7. Each Pandemic is Different H1N1 H2N2 H3N2 1918: “Spanish Flu” 1957: “Asian Flu” 1968: “Hong Kong Flu” 40-50 million deaths 1 million deaths 1 million deaths Credit: US National Museum of Health and Medicine Source: WHO
26. Sneeze and cough into your elbow or sleeve, or use a tissue. Cover your cough and sneeze After wiping or blowing your nose with a tissue, throw away the tissue and wash your hands. Keep your fingers away from your eyes, nose and mouth
There are human and non-human viruses in nature. Some infect people others infect animals. Some have the capability to infect both. As an example, a bird virus may directly infect humans or it may be inefficient and not highly infectious If that bird virus infected a pig, who can also have a human strain, they may exchange genetic material and properties to create a new strain which is efficient. Humans would not have any immunity to the new strain and it could hold the potential for a pandemic. As a new strain, it could take several months to develop and produce a specific vaccine for that strain, leaving people without immune protection.
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