How and when will we know that a COVID-19 vaccine is safe and effective?
It is likely that not just one but several of the competing COVID-19 vaccines will be shown to be safe and effective by the end of 2020.
It is likely that not just one but several of the competing COVID-19 vaccines will be shown to be safe and effective by the end of 2020.
Ayn Rand might be dead wrong, but that hasn’t stopped her ideas from having a profound effect in Congress.