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The surge was assumed by authorities to be "late-season flu" (which usually coincides with a mild Influenzavirus B peak [19]) until April 21, [20] [21] when a CDC alert concerning two isolated cases of a novel swine flu was reported in the media (see 2009 swine flu outbreak in the United States). [22]
Dr. José Ángel Córdova Villalobos, Mexico's Secretariat of Health, stated that since March 2009, there have been over 1,995 suspected cases and 149 deaths, with 20 confirmed to be linked to a new swine influenza strain of Influenza A virus subtype H1N1.
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 CDC reports the highest level of flu cases since the swine flu pandemic of 2009. For the first time, the death rate for flu cases is higher than the mortality rate for COVID-19.
For example, during the 2009 swine flu outbreak in the United States, the CDC advised physicians to "consider swine influenza infection in the differential diagnosis of patients with acute febrile respiratory illness who have either been in contact with persons with confirmed swine flu, or who were in one of the five U.S. states that have ...
Flu is not the only virus floating around this time of year. The CDC is also tracking COVID-19 and respiratory syncytial virus (RSV) activity on a weekly basis. Follow The Flu Trends On weather ...
The CDC estimates there have been at least 24 million illnesses, 310,000 hospitalizations and 13,000 deaths from the flu so far this season, which started Oct. 1. Nearly 60 of those who died were ...
Mexico First death in Oaxaca due to what would later be identified as swine flu. [23] United States The U.S. Centers for Disease Control (CDC) is advised of a ten-year-old boy with a respiratory illness in San Diego County, California. Test results revealed an Influenza A virus but were negative for standard human strains.