[Testing for Australia antigen in Madagascans of the Antananarivo region]. / Recherche de l'antigène Australia chez des Malgaches de la région d'Antananarivo.

A total of 358 sera samples from blood donors of Tananarive city Hospital and outpatients of Medical Center (OSTIE) were assayed in ELISA method for HBs Ag: 3.35 p. 100 were found positive. Epidemiological characteristics were discussed.