[THE STUDY OF TICKS WHICH COMPRISE A NUMBER OF UNKNOWN QUANTITIES SHOULD BE RENEWED; THE SEARCH IN THEM FOR VARIOUS TYPES OF RICKETTSIA, AS AN EXAMPLE].
D000818:Animals; D003140:Communicable Disease Control; D006801:Humans; D012281:Rickettsia; D012282:Rickettsia Infections; D013987:Ticks
COMMUNICABLE DISEASE CONTROL; RICKETTSIAL DISEASES; TICKS
LES TIQUES RENFERMANT NOMBRE D'INCONNUES, LEUR 'ETUDE DOIT  ETRE REPRISE; LA RECHERCHE CHEZ ELLES DES DIVERS TYPES DE RICKETTSIES EN DONNE UN EXEMPLE.