Impact of previous immunisation on the incidence of meningococcal disease during an outbreak in a sahelian area of Senegal /Chippaux, Jean-Philippe /Diallo, Aldiouma /Marra, Adama /Etard, Jean-François EPIDEMIE INCIDENCE VACCINATION PREVENTION SANITAIRE ENFANT VILLAGE IMMUNITE EFFICACITE ANALYSE STATISTIQUE ETUDE COMPARATIVE MALADIE OPPORTUNISTE MENINGITE 2007 text https://www.documentation.ird.fr/hor/fdi:010039006 fdi:010039006 Chippaux Jean-Philippe, Diallo Aldiouma, Marra Adama, Etard Jean-François. Impact of previous immunisation on the incidence of meningococcal disease during an outbreak in a sahelian area of Senegal. 2007, 25 (10), 1712-1718 EN SENEGAL ZONE SAHELIENNE