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High seroprevalence of Pneumocystis infection in Spanish children

N Respaldiza1, F J Medrano, A C Medrano

  • 1Research Unit, Virgen del Rocio University Hospital, Seville, Spain.

Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases
|November 4, 2004
PubMed

Insights

Pneumocystis infection is common in Spanish children, with 73% showing seropositivity. This study highlights the widespread presence of Pneumocystis in southern Spain, with prevalence increasing with age.

Area of Science:

  • Infectious Diseases
  • Epidemiology
  • Pediatrics

Background:

  • Pneumocystis infection is globally prevalent, with most individuals seropositive by early childhood.
  • Limited epidemiological data exists for Pneumocystis infection in Western Europe.
  • Understanding regional prevalence is crucial for public health strategies.

Purpose of the Study:

  • To determine the seroprevalence of Pneumocystis infection in a cohort of Spanish children.
  • To investigate the relationship between age and Pneumocystis seropositivity.
  • To assess the widespread nature of this pathogen in southern Spain.

Main Methods:

  • A community-based study involving 233 Spanish children.
  • Immunoblot analysis of sera to detect Pneumocystis antibodies.
  • Age-stratified analysis of seroprevalence data.

Main Results:

  • Overall seroprevalence of Pneumocystis infection was 73% in the studied population.
  • Seroprevalence increased with age: 52% at 6 years, 66% at 10 years, and 80% at 13 years.
  • A significant age-related trend in seropositivity was observed.

Conclusions:

  • Pneumocystis infection shows a high seroprevalence in healthy Spanish children.
  • The findings indicate that Pneumocystis is widespread in southern Spain.
  • Age is a significant factor influencing Pneumocystis exposure and seropositivity in children.

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