Gonorrhoea in men with homosexual contacts. Serogroups of isolated gonococcal strains related to antibiotic susceptibility, site of infection, and symptoms.

Bygdeman, S

doi:10.1136/sti.57.5.320

Cited by 13 publications

(6 citation statements)

References 16 publications

(4 reference statements)

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“…AHU isolates were also frequently found in areas geographically adjacent to the cities in which they were prevalent (36,40). It has been speculated that the increase in AHU isolates may have been associated with several factors: they may cause asymptomatic infections, resulting in the transmission of infections to many partners; they grow as atypically small colonies; and they may not have been isolated from infected patients on isolation media containing 4 pLg of vancomycin per ml (15,42,43).…”

Section: Auxotypingmentioning

confidence: 99%

“…For example, isolates belonging to serogroup WII were generally isolated significantly more frequently from patients, including homosexual men, than were serogroup WI or WIl isolates (4). Both PPNG and non-PPNG isolates belonging to serogroups WIT and III were also generally more resistant to antibiotics than were isolates belonging to serogroup WI (4,5). Although AHU isolates belonged to serogroup A (WI, serotypes 1 to 3), non-AHU isolates, including those from patients with DGI, also belonged to serogroup WI and could not be distinguished from the AHU isolates serologically (34,57,58,68).…”

Section: Plasmid Profilesmentioning

confidence: 99%

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Molecular epidemiology of gonorrhea

Sarafian

Knapp

1989

Clin Microbiol Rev

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Section: Auxotypingmentioning

confidence: 99%

Section: Plasmid Profilesmentioning

confidence: 99%

Molecular epidemiology of gonorrhea

Sarafian

Knapp

1989

Clin Microbiol Rev

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“…A multi-resistant phenotype was associated with serogroup W I1 ( 5 , 13) and may explain the higher frequency of this serogroup in homosexual men (3,13).…”

mentioning

confidence: 99%

Gonococcal W Serogroups in Scandinavia

Bygdeman

Danielsson²,

Sandström

et al. 1983

Acta Pathologica Microbiologica Scandinavica Series B: Microbio

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A total of 849 gonococcal strains from 659 patients in Copenhagen (Denmark), Helsinki (Finland), Oslo and Trondheim (Norway) and Stockholm (Sweden) were included in the study. Using co‐agglutination reagents with polyclonal and monoclonal antibodies the strains were serogrouped into the previously described gonococcal serogroups W I, W II and W III. W II strains were dominating in all five towns (60.0%‐70.9% of the strains), but W III strains were rarely isolated. W I strains were more frequent among women than among men. With the monoclonal reagents, W I, W II and W III strains could be further subdivided into 12, 29 and two different serovariants (serovars), respectively. One of the W I serovars was dominating (76%‐94% of W I strains) in all five towns, and apart from this serovar, only three to five other W I serovars were seen in each town. Of W II strains, on the other hand, a greater variety of serovars were seen: between six in Trondheim and 17 in Oslo, and no one was dominating as among W I strains. Different W II serovar patterns were found in the different towns. Even between the two participating laboratories in each of the towns, Oslo and Helsinki, differences were noted. The epidemiological value of this is discussed. Ten of the 11 β‐lactamase‐producing gonococcal strains isolated belonged to unusual serovars. None of the monoclonal co‐agglutination patterns corresponded to a single polyclonal pattern. There were, however, some relations between the two systems. In earlier studies it was shown that in smaller Swedish towns W I strains dominated. A hyphothesis about protective anti‐Protein I antibodies is discussed to explain the differences in distribution of W I and W II strains between smaller and larger towns and between women and men.

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