Differences in clinical and laboratory parameters according to prior rotavirus vaccination status in children

Muna Omar1, Dani Cohen1, Roula Abu-Jabal1

  • 1Department of Epidemiology and Preventive Medicine, School of Public Health, Gray Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel.

Insights

Rotavirus vaccination in children with viral acute gastroenteritis (AGE) is linked to improved nutritional markers and reduced inflammation. These findings suggest broader benefits beyond preventing AGE, supporting increased vaccination rates.

Area of Science:

  • Pediatrics
  • Immunology
  • Infectious Diseases

Background:

  • Rotavirus vaccination is established for preventing acute gastroenteritis (AGE).
  • Potential non-specific effects of rotavirus vaccination require further investigation.
  • Understanding these effects can inform public health strategies.

Purpose of the Study:

  • To investigate the association between rotavirus vaccination and clinical/laboratory parameters in children with viral AGE.
  • To explore potential non-specific beneficial effects of rotavirus vaccination.

Main Methods:

  • A single-center study in Israel included 494 children (2-23 months) hospitalized with viral AGE (2011-2015).
  • Data collected included demographics, clinical and laboratory parameters, and rotavirus vaccination status (pentavalent vaccine) from the national immunization registry.

Main Results:

  • Fully vaccinated children showed significantly higher hemoglobin, hematocrit, and lymphocyte levels.
  • A lower neutrophil-lymphocyte ratio was observed in fully vaccinated participants.
  • Complete rotavirus vaccination was associated with lower likelihood of rotavirus detection and urine culture performance.

Conclusions:

  • Rotavirus vaccination correlates with improved nutritional status and reduced inflammation in children with AGE.
  • These findings suggest additional beneficial effects of rotavirus vaccination.
  • Increased rotavirus vaccination coverage is recommended.
Abstract