Edward Jenner’s cowpox vaccine was first used in 1796. London was not free of smallpox until 1900.
economist.com/graphic-detail… https://t.co/iQRyafGtQD
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow the money,…