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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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Could Swine Flu Have Come From America?
29 April 2009 10:55 am
HIV/AIDS could shed some light on swine flu’s origins. And what it shows upends common wisdom.
A 2004 study asked where Mexicans who migrated to California for seasonal farm work became infected with HIV. It turned out that more migrants became infected in California than in Mexico, with the infected migrants returning to their rural villages.
There’s a widespread presumption that the current swine flu epidemic began in Mexico. What if the virus first jumped from an infected pig in the United States to a migrant Mexican who returned home to Mexico, which then had an explosive outbreak of the disease?
Consider, too, that AIDS first surfaced in gay men in Los Angeles, and that it took 3 years before researchers even recognized that AIDS spread in heterosexual people in Africa, which clearly is the origin of that epidemic.