Ominike Marvis has lost count of the number of times her 6-year-old son has had malaria. So when Nigeria started offering a malaria vaccine, she was eager to protect her youngest child.
She took the 6-month-old baby to get his first shot at a health center in hard-hit Bayelsa state, where the country's vaccination campaign kicked off last week. The vaccine aims to prevent severe illnesses and deaths from the mosquito-borne disease.
