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However, the virus continues to circulate as a seasonal flu virus, and cause illness, hospitalization, and deaths worldwide every year. [118] From April 12, 2009, to April 10, 2010, the CDC estimates there were 60.8 million cases (range: 43.3 - 89.3 million), 274,304 hospitalizations (range: 195,086 - 402,719), and 12,469 deaths (range: 8868 ...
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 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 ...
Schools across the United States are being forced to close due to surges of influenza and other seasonal illnesses. As the 2024–2025 flu season rages on with no peak yet in sight, many school ...
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]
CHICAGO — Health officials in Chicago confirmed the city’s first pediatric seasonal flu-related deaths of 2025 this week. ... virus season is in full swing, and vaccination remains the best ...
First case in the world of what would later be identified as swine flu. 28 March First case in the US of what would later be identified as swine flu. 12 April First known death due to what would later be identified as swine flu. 25 April Community outbreaks confirmed in United States. Community outbreaks confirmed in Mexico. 27 April
Even as the United States grapples with an outbreak of H5N1 flu in dairy cattle, the World Health Organization has announced the first known human infection with a different strain, H5N2, in a ...