For some excellent information on viruses and vaccines, listen to ...
The Vaccine Wars, by Richard Holdeman, Ph.D
Here is a short excerpt from this lecture:
"Next to clean water, vaccinations have saved more lives than anything else in history." - Rich Holden, Ph.D in Cell and Molecular biology
Recommended for more on this issue:
Leading COVID Vaccine Used Aborted Baby, by Adam McManus (Worldview in Five Minutes)
