Hoe is die pandemies in die verlede geeindig? Hoe was die pokke pandemie van 1885 die hok geslaan? Was dit deur inentings?
https://amidwesterndoctor.substack.com/p/the-smallpox-pandemic-response-as
Hoe is die pandemies in die verlede geeindig? Hoe was die pokke pandemie van 1885 die hok geslaan? Was dit deur inentings?
https://amidwesterndoctor.substack.com/p/the-smallpox-pandemic-response-as