2 of 11. 11 photos: Photos: George Clooney marries Amal Alamuddin. George Clooney marries Amal Alamuddin â Anna Wintour, Vogue magazine's editor-in-chief, and Bruce Bozzi Jr., the executive vice president of the Palm Restaurant Group, arrive to the private ceremony on September 27.
When it comes to the flu, not all types are created equal. Youâve probably heard that there are a few different types of the flu. According to the CDC, there are three types of influenza viruses: influenza A, influenza B and influenza C. Influenza A and B are the two main types that routinely spread in humans and cause seasonal flu epidemics. Influenza C viruses cause only mild respiratory infections and are not thought to be responsible for epidemics. 14, 15
Influenza A viruses can be further broken down into different strains. Current subtypes of influenza A viruses found in people are influenza A (H1N1) and influenza A (H3N2) viruses. In the spring of 2009, a new influenza A (H1N1) virus (CDC 2009 H1N1 Flu website) emerged to cause illness in people.nfluenza type C infections cause a mild respiratory illness and are not thought to cause epidemics. Influenza A viruses are divided into subtypes based on two proteins on the surface of the virus: the hemagglutinin (H) and the neuraminidase (N).