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Diverse serologic response to rotavirus infection of infants in a single epidemic

H F Clark, K T Dolan, P Horton-Slight

    Pediatric Infectious Disease
    |November 1, 1985
    PubMed

    Insights

    Rotavirus infection in infants is common, but diagnosing it requires multiple tests. Detecting rotavirus antigen or antibodies is crucial for confirming infection in infants with gastroenteritis.

    Area of Science:

    • Virology
    • Pediatrics
    • Immunology

    Background:

    • Gastroenteritis is a common illness in infants.
    • Rotavirus is a leading cause of infant gastroenteritis worldwide.
    • Accurate diagnosis of rotavirus infection is essential for patient management.

    Purpose of the Study:

    • To evaluate the diagnostic utility of stool rotavirus antigen detection and serum antibody response in infants with gastroenteritis.
    • To assess the range of immune responses to different rotavirus serotypes in infected infants.

    Main Methods:

    • Eight infants with acute gastroenteritis were tested for stool rotavirus antigen.
    • Serum samples were analyzed for neutralizing antibody responses to human and bovine rotavirus serotypes.
    • Changes in antibody titers were monitored in seropositive and seronegative infants.

    Main Results:

    • All eight infants showed evidence of rotavirus infection.
    • Rotavirus antigen was detected in stool samples from five infants.
    • Serum antibody testing confirmed rotavirus infection in the remaining three infants.
    • A variable immune response to different rotavirus serotypes was observed, with both seropositive and seronegative infants developing new antibodies.

    Conclusions:

    • No single diagnostic test was sufficient for all cases of rotavirus infection.
    • Combined testing for rotavirus antigen and serum antibody response improves diagnostic accuracy.
    • Infant immune responses to rotavirus serotypes are diverse and not always predictable.

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