in 60 % of the households , members were given an antimicrobial drug as chemoprophylaxis for meningococcal disease , but only 35 % received minocycline hydrochloride or rifampin , the two drugs now available for the eradication of sulfonamide-resistant meningococci from the nasopharynx .
C0025303
meningococcal disease
C0026186
minocycline hydrochloride