Prevalence of staphylococcal zoonosis in pyogenic skin infections

P N Rao1, A S Naidu, P R Rao

  • 1Institute of Preventive Medicine, Public Health Laboratories and Food (Health) Authority, A. P., Hyderabad, India.

Zentralblatt Fur Bakteriologie, Mikrobiologie, Und Hygiene. Series A, Medical Microbiology, Infectious Diseases, Virology, Parasitology
|June 1, 1987
PubMed

Insights

Staphylococcus aureus is the primary cause of pyoderma, especially in young children. Zoonotic transmission from animals like dogs and cattle contributes to skin infections in humans.

Area of Science:

  • Microbiology
  • Dermatology
  • Zoonotic Diseases

Background:

  • Pyoderma is a common bacterial skin infection.
  • Staphylococcus aureus is a significant pathogen in skin infections.
  • Understanding the epidemiology and sources of S. aureus is crucial for public health.

Purpose of the Study:

  • To investigate the aetiology of pyoderma.
  • To characterize Staphylococcus aureus isolates.
  • To identify potential zoonotic sources of S. aureus skin infections.

Main Methods:

  • Bacteriological analysis of pyoderma cases.
  • Phage typing and biotyping of S. aureus isolates.
  • Epidemiological investigation including animal contact history.

Main Results:

  • Staphylococcus aureus accounted for 76.47% of pyoderma cases, predominantly in children under 5.
  • Most S. aureus isolates were nontypable (50%); predominant phage groups were III, I, and mixed.
  • Subgroups S. aureus var. bovis (28.2%) and S. aureus var. canis (2.6%) were identified. Zoonotic transmission was confirmed in 9 cases, with dogs, cattle, and poultry as key reservoirs. Folliculitis, furunculosis, and impetigo were common clinical presentations.

Conclusions:

  • Staphylococcus aureus is the leading cause of pyoderma, with a high incidence in young children.
  • Animal contact represents a significant risk factor for acquiring S. aureus skin infections.
  • Public health strategies should address zoonotic transmission of S. aureus.

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