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Nevertheless, the retention of influenza strains in pigs after these strains have disappeared from the human population might make pigs a reservoir where influenza viruses could persist, later emerging to reinfect humans once human immunity to these strains has waned. [74] Swine flu has been reported numerous times as a zoonosis in humans ...
The Centers for Disease Control and Prevention (CDC) identified the first two A/09(H1N1) swine flu cases in California on April 17, 2009, via the Border Infectious Disease Program, [135] for a San Diego County child, and a naval research facility studying a special diagnostic test, where influenza sample from the child from Imperial County was tested. [136]
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Recent genetic analysis has revealed that three-quarters, or six out of the eight genetic segments, of the 2009 flu pandemic strain arose from the North American swine flu strains circulating since 1998, when a new strain was first identified on a factory farm in North Carolina, and which was the first-ever reported triple-hybrid flu virus.
A person from Ingham County has a confirmed case of swine flu, the Michigan Department of Health and Human Services said Friday. “While we believe this is an isolated case, Michigan residents ...
I'm not often faced with ethical dilemmas when picking up the kids, but yesterday I walked into the middle of the swine flu epidemic. When I went to get my older daughter, her teacher met me at ...
The pandemic H1N1/09 virus is a swine origin influenza A virus subtype H1N1 strain that was responsible for the 2009 swine flu pandemic. This strain is often called swine flu by the public media due to the prevailing belief that it originated in pigs. The virus is believed to have originated around September 2008 in central Mexico.
Since the 1982–83 season, flu activity has peaked in February 17 times, more than any other month. Flu activity was high or very high in 45 states and territories the week ended Feb. 1.