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The determination of O-antigens of 248 serial isolates of Ps. aeruginosa from 50 patients with respiratory, urinary tract or wound infections reveals that over a period of 41 (8-178) days in 12% of cases a change, in 88% no variation of serogroup at the infection site occurs. Simultaneous incidence of different serogroups in the same specimen is not observed. 55 parallel isolates from the various lesions of 26 multiinfected patients have in 46% of cases different serogroups, in 54% the same serogroup. The striking permanence of serogroups at a particular infection site indicates that the O-antigens of Ps. aeruginosa remain constant under natural infection conditions. A change in serogroup suggests--considering the frequent parallelism of different serogroups--reinfection by a new strain.
R Ansorg
July 1987,
Zhurnal mikrobiologii, epidemiologii i immunobiologii,
R Ansorg
October 1973,
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R Ansorg
February 1974,
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R Ansorg
May 1970,
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R Ansorg
June 1974,
Deutsche medizinische Wochenschrift (1946),
R Ansorg
January 1977,
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite naturwissenschaftliche Abt.: Allgemeine, landwirtschaftliche und technische Mikrobiologie,
R Ansorg
July 1980,
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R Ansorg
December 1978,
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, Betriebshygiene, praventive Medizin,
R Ansorg
August 1977,
Bratislavske lekarske listy,
R Ansorg
January 1978,
Annali dell'Istituto superiore di sanita,
