Polio, rubella, german measles etc were vaccines using attenuated viruses. mRNA covid vaccines are not attenuated vaccines. What completed phase 3 clinical trial data was used to determine the long term health effects of covid mRNA vaccines are not a risk for adverse health affects for the Dept of Health/Chief Medical Office to recommend covid mRNA vaccine use and/or mandate with respect to mRNA covid vaccines: Seniors Seniors with comorbidities Adults living in long-term care facilities Adults Adults with serious comorbidities ~Obesity ~Cardiovascular ~Immunocompromised Children Children with comorbidities Women (child bearing age) Pregnant women Fetuses Breastfeeding infants. Timeframe: December 1, 2019 - November 30, 2021