NewsSan Diego, California, and Tijuana, Mexico

My Virus Is Your Virus

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Science  13 Jul 2012:
Vol. 337, Issue 6091, pp. 177-178
DOI: 10.1126/science.337.6091.177

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Summary

An 8-year-old U.S.-government-funded HIV/AIDS research study has shown how readily the virus makes a mockery of the U.S.-Mexico border and creates one regional epidemic. The principal investigators have published a flood of studies that take a cross-border perspective on HIV, examining the histories and viral status of 3000 injecting drug users in Tijuana. A second, overlapping study they run has done similar work with more than 1000 sex workers in Tijuana. And a third study has involved 800 men who buy sex in Tijuana, half of whom live in San Diego. A common theme in all of their studies is that many of these people, by force or free will, go back and forth between Tijuana and southern California, sometimes carrying the virus with them.