Gates Foundation tackles a giant that preys on Africa’s children

On vaccination days, pharmacist Abel Mdemu unsnaps the padlock on the old Bagamoyo Hospital morgue after lunch.

Of all the diseases the foundation has tackled, only AIDS gets more money than the $1.14 billion committed to malaria so far -- and Bill Gates vows to keep the funds flowing.

"Whatever it takes, we're just going to stay at it." - Bill Gates, philanthropist