St. Petersburg Times: Photo gallery  
In a race against time
 
   

Lab technicians, left to right, Nomusa Moyo, 27, Thapelo Nthokana, 24, Mauboa Gaebepe, 24, and Ratidza Dzimba work together to sort out blood samples at the Botswana-Harvard AIDS Partnership in Gaborone. The lab tests hundreds of samples a day.

[Times photo: John Pendygraft]

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