An unusual bacterium, Aerococcus viridans, and four cases of infective endocarditis.

Four cases are described of Aerococcus viridans endocarditis with favorable outcome, focusing on the clinical picture. Extracardiac findings (e.g.

Study of the sensitivity to antimicrobial drugs of some S. pneumoniae strains isolated from different pathological states.

76 Str.pneumoniae strains isolated from different clinical disease forms were studied for the sensitivity to antimicrobial drugs using the diffusimetric method and the dilution in agar method (MIC to penicillin). The results revealed that 44.

[Comparative study of 2 serological methods of diagnosis of acute respiratory Mycoplasma pneumoniae infections].

Complement fixation (CF) and haemagglutination (HAP) with M. pneumoniae antigen have proved valuable methods for the etiological diagnosis of acute respiratory infections. Both methods are sensitive and specific, provided purified antigens are used, of the Kenny and Grayston lipid antigen type for CF and the antigen treated by ultrasound and purified by centrifugation for HAP.