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The bacterial sore throat is caused by

  • A.Staphylococcus aureus
  • B.Haemophilus spp
  • C.Streptococcus pyogenes
  • D.Mycoplasma pneumoniae

Answer: C

Correct answer: Streptococcus pyogenes

Most sore throats are viral, but among bacterial causes S. pyogenes is much the commonest and the only one for which treatment is routinely given - not to shorten the illness, which is self-limiting, but to prevent the non-suppurative sequelae. Mycoplasma causes atypical pneumonia rather than pharyngitis, and staphylococcal sore throat is rare.

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