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In 2009, H1N1 caused the first global flu pandemic in 40 years, with the first infections detected in California. More than 12,000 people died around the US, and nearly 61,000 people were infected.
Kawaoka and his colleagues combined the H5 hemagglutinin gene from the bird flu virus with genes from the 2009 H1N1 swine flu virus. Then they coaxed their hybrid to evolve in a way that allowed ...
The U.S. has two vaccines ready that could begin shipping widely within a few weeks if the H5N1 bird flu infecting dairy cows begins spreading more easily to people, federal health officials said ...
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]
CHICAGO (Reuters) -H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said on Wednesday.
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]
The 2009 swine flu pandemic in North America, part of a pandemic in 2009 of a new strain of influenza A virus subtype H1N1 causing what has been commonly called swine ...
It happened again in 2009, when a human and swine flu switched genes, unleashing the H1N1 swine flu outbreak that killed roughly 500,000 people. Already there is evidence this virus is swapping genes.