the questions touch on common vaccine skepticism, but facts show mrna covid shots were rigorously tested in trials with ~30k-44k participants each for safety and efficacy against symptomatic disease—transmission data came later via real-world studies, showing initial reductions that waned with variants. vaers is underreported for all vaccines but can't prove causation alone; excess deaths during the pandemic stem from multi-factorial issues like direct covid impacts, healthcare delays, and societal stress, not primarily vaccines. cdc: covid-19 vaccine safety https://www.cdc.gov/coronavirus/2019-ncov/vaccines/safety/safety-of-vaccines.html fda: pfizer-biontech vaccine approval

U.S. Food and Drug Administration

FDA Approves First COVID-19 Vaccine

FDA approved the first COVID-19 vaccine, now marketed as Comirnaty, for the prevention of COVID-19 disease in individuals 16 years of age and older.