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[Rotaviral vaccines]
1Powiatowa Stacja Sanitarno-Epidemiologiczna w Zyrardowie.
Insights
Rotavirus vaccines aim to prevent severe diarrhea in children. Despite early setbacks with the RRV-TV vaccine causing intussusception, research continues for a safe and effective rotavirus vaccine.
Area of Science:
- Pediatrics
- Vaccinology
- Infectious Diseases
Context:
- Rotaviral infections are a leading cause of severe childhood diarrhea globally.
- Vaccination is the primary strategy for rotavirus disease prevention.
- The human-rhesus reassortant vaccine (RRV-TV) was an early candidate for infant immunization.
Purpose:
- To summarize the history and challenges of rotavirus vaccine development.
- To highlight the safety concerns associated with early rotavirus vaccines.
- To emphasize the ongoing need for safe and effective rotavirus vaccines.
Summary:
- The human-rhesus reassortant vaccine (RRV-TV) was developed to combat rotavirus infections, a major cause of pediatric diarrhea.
- Post-licensure surveillance revealed an increased risk of intussusception, a serious adverse event, leading to RRV-TV's withdrawal.
- Despite this setback, the pursuit of safe and effective rotavirus vaccines persists.
Impact:
- The withdrawal of RRV-TV underscored the critical importance of vaccine safety monitoring.
- This experience informs current and future rotavirus vaccine research and development.
- Continued efforts are essential to provide global protection against rotavirus gastroenteritis in infants.
Abstract:
Rotaviral infections are frequent cause of the severe diarrhea in children. The only way to eliminate rotaviral infections is safe and effective vaccine. Among various rotaviral vaccines elaborated in many countries, the human-rhesus reassortant vaccine (RRV-TV) was chosen for routine immunization of infants. However, post-licensure surveillance of a rotavirus vaccine showed an increased risk of a serious adverse event following vaccination--intussusception. That forced the Centers for Disease Control and Prevention to withdraw the license of RRV-TV. In spite of this defeat, works for receiving safe and effective rotaviral vaccine still last.