Health: 300 years of London smallpox data suggests a tiny amount of virus may IMPROVE survival rates
What 300 years of smallpox epidemics in London can teach us about Covid-19: Infection with a small amount of virus can IMPROVE survival rates — and might be a beneficial side-effect of wearing masks Researchers from Canada analysed London death records from 1664–1930 This covered the introduction of health measures, variolation and vaccination The period … Read more