BURKINA FASO: Meningitis epidemics in vaccinated areas

People vaccinated against meningitis are supposed to have protection for three years but health officials have announced that meningitis epidemics have occurred in several areas where populations had recently been immunized. “[Health researchers] are currently collecting information so as to identify the factors explaining the recurrence of the epidemic in districts where populations have been vaccinated”, Ousmane Badolo, head of the epidemiologic surveillance department at the ministry of...