How vaccines crushed polio in the US in the mid 1950s and measles in Nigeria after 2005. economist.com/graphic-detail… https://t.co/f3AsZRcEVV

What do Germany and Mexico have in common? They make a lot of cars. They don’t make a lot of chips. twitter.com/rorygreen5/sta…

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