Mohamed Conteh, 27, from Jao Malen village in southern Sierra Leone, wears a t-shirt with an anti-malaria logo April 8, 2008. Although free treatment is sometimes available in Sierra Leone to fight the mosquito-borne disease -- whose deadliest strain is common in the country's mangrove swamps and tropical forests -- many cannot get to health clinics in time. Worldwide, more than 500 million people become severely ill with malaria every year. One child dies of the disease every 30 seconds. Picture taken April 8, 2008. To match feature LEONE-MALARIA/ REUTERS/Katrina Manson (SIERRA LEONE)
REUTERS/KATRINA MANSON