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A virus that is a hybrid of human bird and swine flu viruses is detected in pigs. The first influenza pandemic occurred around 1580 and the second in 1743 the latter spreading from Rome to England and introducing the word flu to the English. Who Maps Of The Spread Of Influenza A H1n1 Influenza virus surveillance in swine conducted by the US Department of Agriculture begins in the United States. Where did influenza start . The 1580 pandemic began in Asia during the summer and then spread to Africa and Europe. H3N2 first emerged in Hong Kong in 1968. A collection of letters of a soldier stationed in Camp Funston Soldier. This virus becomes the dominant flu virus in US. Within six months influenza had spread from southern Europe all. Before and after 1918 most influenza pandemics developed in Asia and spread from there to the rest of the world. The first influenza pandemic of the 21st century was initially reported in April 2009 in Mexico and swept through the Northe...

Throughout history many flu pandemics have originated in China. April 1918 First mention of influenza appears in an April 5 weekly public health report. 1918 Flu Pandemic That Killed 50 Million Originated In China Historians Say Thats the global pattern. Where did the flu start . The 1580 pandemic began in Asia during the summer and then spread to Africa and Europe. This may contribute to a larger number of infants and young children who are more susceptible to the flu. Within six months influenza had spread from southern. One hypothesis states that this gives the viral population an evolutionary head start thus new epidemics will almost always begin in the area. This strain was so infectious that by the end of October it had spread from coast to coast and had a morbidity rate of about 28 percent. Influenza is a virus thats spread from person to person. The name of Spanish Flu came from the early affliction and large mortalities in Spain BMJ10191918 where it alleg...