1 jan 1796 ano - Edward Jenner invents a vaccine for cowpox
Descrição:
Edward Jenner suggested the premise of variolation, this development spawned the start of all the vaccines that came afterwards.
Vaccines are so necessary for supporting the wellbeing of humans in this day and age, that they are compulsary in many cases.
Adicionado na linha do tempo:
The history of medicine timeline
Data:
