THE SWITCH. “Eventually, vaccination was accepted, and in 1840, the British government banned variolation – the use of smallpox to induce immunity – and provided vaccination using cowpox free of charge.”
https://lnkd.in/dj2sruA
THE SWITCH. “Eventually, vaccination was accepted, and in 1840, the British government banned variolation – the use of smallpox to induce immunity – and provided vaccination using cowpox free of charge.”
https://lnkd.in/dj2sruA