Vaccination, variolation or immunization are much older practices than one might think. Records indicate that crude efforts towards protection through exposure were used as early as 1000 A.D. in Asia. However, most experts seem to agree that by the mid-1500’s, efforts to inoculate against smallpox infection were wide-spread in China and India. In the late 1600’s, insufflation was the common method of inoculation.
Vaccination in the time of COVID…and beyond!
