One bug’s bane may be another’s break

From Chicago, at the Interscience Conference on Antimicrobial Agents and Chemotherapy

People who carry pneumococcus bacteria in their nasal passages may be partially protected against having their noses colonized by Staphylococcus aureus. The new finding could have important implications because a pneumococcus vaccine licensed in 2000 is reducing illnesses caused by that bacterium, also known as Streptococcus pneumoniae, while S.