The COVID-19 vaccines have provided a once-in-a-lifetime opportunity to answer this question.
https://amidwesterndoctor.substack.com/p/what-are-the-risks-and-benefits-of
https://tinyurl.com/4w9h5n7t
https://lionessofjudah.substack.com/p/end-times-headline-news-august-24-af2