> Shimabukuro also said the Vaccine Safety Datalink (VSD) - another safety monitoring system - showed an increased incidence of heart inflammation in 16 to 39 year olds after their second shot when compared to the rate observed after the first dose.
https://www.cdc.gov/vaccinesafety/ensuringsafety/monitoring/...
> The Vaccine Safety Datalink (VSD) is a collaborative project between CDC’s Immunization Safety Office and nine health care organizations. The VSD started in 1990 and continues today in order to monitor safety of vaccines and conduct studies about rare and serious adverse events following immunization.
The nine HMOs are:
Kaiser Permanente Washington, Seattle, WA
Harvard Pilgrim Health Care Institute, Boston, MA
HealthPartners Institute, Minneapolis, MN
Kaiser Permanente Northwest, Portland, OR
Kaiser Permanente Northern CA
Kaiser Permanente CO
Denver Health, CO
Marshfield Clinic Research Institute, WI
Kaiser Permanente Southern CA