UK set to become the first country to deliberately infect people with Covid-19
Edward Jenner pictured in a portrait Esteemed scientist Edward Jenner used the eight-year-old son of his gardener for the first ever challenge trial, with just a hunch as to whether it would be successful. Luckily, it worked. And the study led to the invention of the smallpox vaccine, which saw the debilitating disease eradicated in … Read more