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The 2009 swine flu pandemic, caused by the H1N1/swine flu/influenza virus and declared by the World Health Organization (WHO) from June 2009 to August 2010, was the third recent flu pandemic involving the H1N1 virus (the first being the 1918–1920 Spanish flu pandemic and the second being the 1977 Russian flu).
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]
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.
The United States experienced the beginnings of a pandemic of a novel strain of the influenza A/H1N1 virus, commonly referred to as "swine flu", in the spring of 2009.The earliest reported cases in the US began appearing in late March 2009 in California, [114] then spreading to infect people in Texas, New York, and other states by mid-April. [115]
Since April, when many of us first heard the name "Swine Flu" used for the H1N1 virus, the pork market has been in a The pork industry is discovering the wrong name can become a multi-billion ...
The swine flu was initially seen in the US in April 2009, where the strain of the particular virus was a mixture from 3 types of strains. [79] Six of the genes are very similar to the H1N2 influenza virus that was found in pigs around 2000.
The swine flu began in Mexico, North America, which turn out to be a new strain of H1N1 virus and the first case could have been as early as March or April. In Canada, roughly 10% of the populace were infected with the virus, [ 298 ] with 363 confirmed deaths (as of 8 December); confirmed cases had reached 10,000 when Health Canada stopped ...
Community outbreaks, June 2009 Confirmed cases by U.S. state, June 3, 2009. This article covers the chronology of the 2009 novel influenza A pandemic. [1]Flag icons denote the first announcements of confirmed cases by the respective nation-states, their first deaths (and other major events such as their first intergenerational cases, cases of zoonosis, and the start of national vaccination ...