Pneumococci relatively insensitive to penicillin in Australia and New Guinea.

Adult Animals Anti-Bacterial Agents/pharmacology Australia Carrier State/microbiology Child Humans Mice Microbial Sensitivity Tests New Guinea Penicillin G/pharmacology Penicillin Resistance Pneumococcal Infections/epidemiology,microbiology Serotyping Streptococcus pneumoniae/drug effects,isolation & purification,pathogenicity Virulence

Anti-Bacterial Agents Penicillin G