Common colds are among the most common illnesses. Many different viruses (common colds are caused by various rhinoviruses, coronaviruses, adenoviruses) have no vaccine.
What's the prior scientific validation (longterm clinical trials, and peer-reviewed, replicated studies) of using and/or mandating experimental mRNA vaccines for a virus that's never had a successful vaccine to combat any mutating coronaviruses causing any respiratory illness or disease? Timeframe: December 1, 2019 - December 1, 2021