Does this new information mean that RotaTeq rotavirus vaccine is safer than Rotarix rotavirus vaccine?
The information available does not demonstrate an increased risk of intussusception with RotaTeq. However, the data available cannot rule out a risk of intussusception with RotaTeq as low as the risk currently reported with Rotarix in the Mexico study. Studies are ongoing. Click to view more information on vaccine safety monitoring… In the United States, vaccine safety is constantly monitored using the Vaccine Adverse Event Reporting System (VAERS), co-sponsored by CDC and the FDA. VAERS collects and analyzes reports of adverse events (possible side effects) that happen after vaccination. VAERS is an early warning system to alert researchers to possible side effects, but the system is not set up to determine whether reported events are actually associated with receiving a particular vaccine. Other types of studies can answer this question. The Vaccine Safety Datalink (VSD), a network of 8 managed care organizations with data for more than 9 million people, is often used for such stud
