Some of these create relatively mild, treatable conditions, such as strep throat. Others can lead to life-threatening infections of your blood or organs. Anyone can be affected, from babies and small ...

THE present study was undertaken to determine the incidence of tetracycline resistance among strains of Group A streptococci isolated from clinical sources. In this study in vitro sensitivities to ...

As part of a longitudinal study, we obtained surveillance throat cultures twice monthly and with each new respiratory tract illness from children in kindergarten through grade 8 at one school in ...

Gram-positive bacteria have thick cell walls. A Gram stain test, which involves a chemical dye, stains the bacterium’s cell wall purple. On the other hand, gram-negative bacteria stain pink instead.

Scientists have discovered how mouth bacteria hide inside artery walls, escaping detection until they erupt and spark the inflammation that can cause plaques to rupture. Study: Viridans Streptococcal ...