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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]
US influenza statistics by flu season. From the Centers for Disease Control and Prevention page called "Disease Burden of Flu": "Each year CDC estimates the burden of influenza in the U.S. CDC uses modeling to estimate the number of flu illnesses, medical visits, hospitalizations, and deaths related to flu that occurred in a given season.
According to the United States Centers for Disease Control and Prevention (CDC), in humans the symptoms of the 2009 "swine flu" H1N1 virus are similar to influenza and influenza-like illness. Symptoms include fever , cough , sore throat , watery eyes, body aches, shortness of breath, headache , weight loss, chills , sneezing, runny nose ...
Initial reports of atypical flu in two individuals in southern California led to the discovery of the novel swine flu virus by the CDC in mid-April. More than a hundred cases were confirmed in the next two weeks, spread through a dozen states. [20]
On Friday, the CDC's color-coded map showed California and nearly a dozen other states shaded purple, the worst of the three shades in the very high flu level. 'Off the charts': California hit ...
The numbers from state authorities are often out of synch with those in the CDC daily report, primarily because the CDC updates its figures less frequently. For instance, the Illinois Department of Public Health updated the number of confirmed cases in Illinois to 225 at 10 a.m. CT on May 6, 2009, [ 115 ] while the CDC update at 11:00 AM ET ...
The 24-hour flu is usually a type of gastroenteritis, which is an inflammation of the intestines and stomach, says William Schaffner, M.D., an infectious disease specialist and professor at the ...
The virus is a novel strain of the influenza virus, [2] for which existing vaccines against seasonal flu provided no protection. A study at the U.S. Centers for Disease Control and Prevention (CDC) published in May 2009 found that children had no preexisting immunity to the new strain but that adults, particularly those over 60, had some degree of immunity.