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Updated: May 16, 2026

Assays for the Specific Growth Rate and Cell-binding Ability of Rotavirus
Published on: January 28, 2019
Rotavirus vaccine trial in Jamaica
1Department of Adolescent Medicine and Paediatrics, The University of the West Indies, Kingston 7, Jamaica. Celia.ChristieSamuels@uwimona.edu.jm
Insights
A pentavalent rotavirus vaccine significantly reduced severe gastroenteritis in Jamaican infants. The vaccine proved safe, showing no increased risk of intussusception, and is recommended for national immunization programs.
Area of Science:
- Pediatrics
- Vaccinology
- Infectious Diseases
Background:
- Rotaviruses are a leading cause of severe dehydrating gastroenteritis globally.
- Infant morbidity and mortality in Jamaica are significantly impacted by rotavirus infections.
Purpose of the Study:
- To evaluate the efficacy and safety of a pentavalent rotavirus vaccine in Jamaican infants.
- To assess the vaccine's impact on rotavirus gastroenteritis-related healthcare utilization.
Main Methods:
- An international randomized, placebo-controlled trial involving 1804 Jamaican infants.
- Administration of a pentavalent rotavirus vaccine (G1, G2, G3, G4, P1) or placebo.
- Monitoring for efficacy (reduction in gastroenteritis) and safety (intussusception, adverse events).
Main Results:
- The pentavalent rotavirus vaccine significantly reduced emergency room visits and hospitalizations due to rotavirus gastroenteritis.
- No significant increase in the rates of intussusception or other serious adverse events was observed.
- The vaccine demonstrated a favorable safety profile in the study population.
Conclusions:
- The pentavalent rotavirus vaccine is effective and safe for preventing severe rotavirus gastroenteritis in Jamaican infants.
- Inclusion of the rotavirus vaccine in Jamaica's National Immunization Programme is recommended.
- Alignment with World Health Organization recommendations supports widespread vaccine adoption.
Abstract:
Worldwide, rotaviruses have been a significant cause of dehydrating gastroenteritis. This contributed to increased infant morbidity and mortality in Jamaica. We enrolled 1804 Jamaican infants in the international randomized, placebo-controlled, pentavalent (G1, G2, G3, G4 and P1) rotavirus vaccine trial. This pentavalent vaccine was found to significantly reduce rotavirus gastroenteritis attributable emergency room visits and hospitalizations, without increasing the rates of intussusception, or other serious adverse events in Jamaican infants. It is recommended that the rotavirus vaccine be included in Jamaica's National Immunization Programme in accordance with recommendations from the World Health Organization.
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