What percentage of your population has antibodies from any source? In the USA, the majority of us now have antibodies from vaccination or past infection. https

What percentage of your population has antibodies from any source? In the USA, the majority of us now have antibodies from vaccination or past infection. https://www.miamiherald.com/news/coronavirus/article253987048.html https://www.miamiherald.com/news/coronavirus/article25398704... "More than 80% of Americans have coronavirus antibodies acquired through infection or vaccination, according to a new study of over 1.4 million blood donations across the U.S."