Dozens of researchers, including myself, worked for years to uncover that swine flu had leapt to humans from a pig in Mexico in 2009. We learned a lot about influenza evolution, pig farming, and ...
WHO (World Health Organization). 2002. WHO Global Influenza Programme: survey on capacities of national influenza centres, January-June 2002. Weekly Epidemiological Record 77(42):350-358. ———. 2008.
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