A laboratory technician prepares blood samples from volunteers for viral-genotyping on October 30, 2009 at the government-run Ifakara Health Institute in Bagamoyo, 70 kms north of Tanzanian capital Dar es Salaam, where a pioneering vaccine against malaria is in its third phase of testing. Over 1,000 scientists and specialists are gathering in Nairobi until November 6, 2009 for the 5th Multilateral Initiative on Malaria Pan-African Conference to assess the setbacks and gains in the areas of research, treatment and prevention of the disease, which kills over a million people in the world every year -- mostly children and pregnant women. PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
