influenza a und b

The influenza A and B viruses that routinely spread in people are the two main types of seasonal flu viruses. Wild birds above all water fowl in which all HA and NA types occur are considered as a reservoir for influenza A viruses 16 17Infections with the so-called highly pathogenic subtypes H5 and H7 can occur in chickens but also other types of birds and cause.

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Population who were sickened by flu using two different methods and compared the findings.

. Skip directly to site content Skip directly to page options Skip directly to A-Z link. A 2018 CDC study published in Clinical Infectious Diseases external icon looked at the percentage of the US. Flu A and B viruses are responsible for seasonal flu epidemics more commonly known as the flu season.

2 3 On both sides of the Atlantic the Army lost a staggering 8743102 days to influenza among enlisted men in 1918. By the War Departments most conservative count influenza sickened 26 of the Armymore than one million menand killed almost 30000 before they even got to France. Population gets sick from flu each season with a range of between 3 and 11.

While influenza B infections occur only in humans influenza A viruses can also infect pigs and horses. Both methods had similar findings which suggested that on average about 8 of the US. 1448 The Navy recorded 5027 deaths and more than.

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