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[A study on atypical scarlet fever].

S Li1

  • 1Sanitary and Anti-epidemic Station of Heilongjiang province, Harbin.

Zhonghua Liu Xing Bing Xue Za Zhi = Zhonghua Liuxingbingxue Zazhi
|December 1, 1990
PubMed
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Scarlet fever cases in Harbin showed atypical symptoms, with many lacking fever or sore throat. Group A Streptococcus bacteria were identified, with varying antibiotic resistance noted.

Area of Science:

  • Microbiology
  • Epidemiology
  • Infectious Diseases

Context:

  • Scarlet fever, a bacterial illness, typically presents with fever, sore throat, and a characteristic rash.
  • Atypical presentations can complicate diagnosis and treatment, necessitating further investigation into causative factors and microbial characteristics.

Purpose:

  • To analyze the clinical manifestations, etiological agents, and antibiotic resistance patterns of scarlet fever cases in Harbin during 1987.
  • To investigate the prevalence of atypical symptoms and identify the characteristics of Streptococcus strains involved.

Summary:

  • A study of 135 scarlet fever cases (primarily in children aged 0-15) in Harbin revealed a high incidence of atypical symptoms, including absence of fever (45.18%), angina (30.37%), and strawberry tongue (40%).
  • Sixty strains of beta-hemolytic Streptococcus were isolated, with 49 identified as Group A. Biotype analysis showed strains belonging to biotypes 1, 4, and 8/25.

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  • Antibiotic susceptibility testing indicated 81.58% susceptibility to ampicillin and cephalosporin, but 21.05% resistance to penicillin.

    • Impact:

    • Highlights the importance of recognizing atypical scarlet fever presentations for timely diagnosis and management.
    • Provides data on the microbiological and resistance profiles of Streptococcus strains, informing treatment strategies.
    • Contributes to understanding the epidemiology of scarlet fever and the evolution of bacterial resistance patterns.