| incidence of pseudomonas aeruginosa serogroups in drinking water: use of serotyping in the control of water supplies. | from 26,568 drinking water samples collected in the years 1977-1981 from deep well supplies in csongrád county, hungary, 1269 pseudomonas aeruginosa strains were isolated. the most frequent serogroups (lányi-bergan scheme) were o6 (9.5-69.2%), o1 (5.5-35.5%) and o9 (2.2-36.2%). predominance of a given serogroup varied with, and was characteristic of geographic areas of the county, water plants and distribution systems. bacteriological monitoring has shown that serotyping of p. aeruginosa may be ... | 1983 | 6419534 |