Microsoft's chairman Bill Gates, one of world's richest man and high profile aid donors, speaks on efforts to eradication global health challenges in Accra on March 26, 2013. Bill Gates is in Ghana to meet with government and health officials on ways to combat global health problems. Bill Gates Foundation donates at least five percent of its asset each year to fight Polio Myelitis, HIV/AIDS, Tuberculosis, Malaria and other global infectious diseases across the globe.
A mother breast feed her child during the visit of Microsoft's chairman at the Ahentia Health Centre, Awutu Senya district, central region in Ghana on March 26, 2013. Microsoft's Bill Gates is in Ghana to meet with government and health officials on ways to combat global health problems. Bill Gates Foundation donates at least five percent of its asset each year to fight Polio Myelitis, HIV/AIDS, Tuberculosis, Malaria and other global infectious diseases across the globe.
Microsoft's chairman Bill Gates, one of world's richest man and high profile aid donors, looks as a health worker vaccinates a child at Awutu Senya district, central region in Ghana on March 26, 2013. Bill Gates is in Ghana to meet with government and health officials on ways to combat global health problems. Bill Gates Foundation donates at least five percent of its asset each year to fight Polio Myelitis, HIV/AIDS, Tuberculosis, Malaria and other global infectious diseases across the globe.
Microsoft's Bill Gates, one of the world's richest men and highest profile aid donors, (R) watches as health official Alice Grant immunizes a child at the Ahentia Health Centre, in the Awutu Senya district, in the Central Region of Ghana, on March 26, 2013. Bill Gates is in Ghana to meet with government and health officials on ways to combat global health problems. Bill Gates Foundation donates at least five percent of its asset each year to fight Polio Myelitis, HIV/AIDS, Tuberculosis, Malaria and other global infectious diseases across the globe.
China's new first lady and singer Peng Liyuan (C) attends an event for World Tuberculosis Day in Dongguan, Guangdong province, March 18, 2009. Peng is best known in China as a singer, and for many years was arguably better known and certainly more popular than her husband who is China's President Xi Jinping. Picture taken March 18, 2009.
An infant receives an injection as part of a clinical trial of a novel tuberculosis vaccine candidate at the South African Tuberculosis Vaccine Initiative�s clinical trial field site in Worcester, South Africa in this April 2012 handout photo obtained by Reuters February 1, 2013. Global health experts are eagerly awaiting clinical trial results - expected early next week - of MVA85A, the first new vaccine in 90 years designed to prevent tuberculosis infections.
