Distribution of Aeromonas hydrophila serogroups in different clinical samples and the development of polyclonal antibodies for rapid identification of the genus Aeromonas by direct agglutination.

We characterized a collection of 256 Aeromonas hydrophila strains isolated from blood, discharge and stool for their serogroup designation. Of these, 2.3% were untypable and 15.

Urinary tract infection in the elderly: a clinical study.

Urinary tract infection is one of the most common causes of infection in the elderly living in the community as well as in institutions. While the preventive measures involve the enhancement of immunological status, perineal hygiene and avoiding unnecessary instrumentation, the clinical manifestation predicting the outcome, the main objective of the study, is also no less important after the infection takes place. Cross-sectional study was designed recruiting 107 cases from the general medical wards to compare various relevant clinical parameters in terms of the final outcome.

Serogroup distribution and antimicrobial susceptibility of beta-hemolytic streptococci in clinical isolates.

Three hundred and four strains of beta-hemolytic streptococci were isolated from different patients at Siriraj Hospital during 1989-1990. Among these strains, 24.01% were group A, 23.