Comparative Activity of Tetracycline, Minocycline, Clomocycline and Methacycline Against Group A, B, C and G β Haemolytic Streptococci

  • R. Y. Cartwright
  • K. Korpal
Part of the Chemotherapy book series (CT, volume 3)


Tetracycline resistance in group A haemolytic streptococci was first described in the United Kingdom by Lowbury and Casan (1954).. By 1965, 44% of all β haemolytic streptococci isolated in the Institute of Laryngology and Otology, London, were resistant to tetracycline (Dadswell, 1967). Although the frequency of resistant strains declined in 1970, 28% of isolates remained tetracycline resistant (Rees, 1971).


Inhibitory Concentration Resistant Strain Comparative Activity Blood Agar Plate Tetracycline Resistance 
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Copyright information

© Plenum Press, New York 1976

Authors and Affiliations

  • R. Y. Cartwright
    • 1
  • K. Korpal
    • 1
  1. 1.St. Luke’s HospitalGuildford, SurreyUK

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