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Bird flu: Scientists find mutations, say threat is still low
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Mystery of 1918 Flu That Killed 50 Million Solved? - National …
WebThe 56-year-old from the southern province of Guangdong was the third person known to have been infected with the H3N8 subtype of avian influenza, the WHO said in a … WebIt is estimated that about 500 million people or one-third of the world’s population became infected with this virus. The number of deaths was estimated to be at least 50 million worldwide with about 675,000 occurring in the United States. Mortality was high in people younger than 5 years old, 20-40 years old, and 65 years and older. WebMar 28, 2024 · An influenza virus called influenza type A subtype H1N1 is now known to have been the cause of the extreme mortality of this pandemic, which resulted in an estimated 25 million deaths, though some researchers have projected that it caused as many as 40–50 million deaths. More From Britannica How Long Did the Flu Pandemic of … fft hacktics save editing