BURKINA FASO: Meningitis epidemics in vaccinated areas

People vaccinated against meningitis are supposed to haveprotection for three years but health officials have announced that meningitisepidemics have occurred in several areas where populations had recently beenimmunized. “[Health researchers] arecurrently collecting information so as to identify the factors explaining therecurrence of the epidemic in districts where populations have beenvaccinated”, Ousmane Badolo, head of the epidemiologic surveillance departmentat the ministry of health,...