http://www.nbcnews.com/id/4135122/ns/health-infectious_diseases/t/asia-traditional-cradle-influenza/
Asia is traditional cradle of influenza - Health ...
2004-02-02 · But flu can originate anywhere, experts warn. Most flu strains start in China The population of China alone is bigger than that of the whole of Africa, and 80 percent of the new human flu strains the last few decades appeared in China first. With health officers already leery about a return of SARS, experts are keeping watch on the bird flu in Asia,...
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