Anthrax vaccines known to result in far less scarring, and greatly reduced mortality, in comparison with the naturally acquired disease. The English physician Edward Jenner (1749–1823) had also discovered (1796) the process of vaccination by using cowpox to give cross-immunity to smallpox and by Pasteur's time this had generally replaced the use of actual smallpox material in inoculation. The difference between smallpox vaccination and anthrax or chicken cholera vaccination was that the weakened form of the latter two disease organisms had been "generated artificially", so a naturally weak form of the disease organism did not need to be found. This discovery revolutionized
Vaccination and religion missionaries vaccinated Northwest Coast Native Americans during an 1862 smallpox epidemic. In the UK, a number of Vaccination Acts were introduced to control vaccination and inoculation, starting in 1840, when smallpox inoculation was banned. The 1853 Act introduced compulsory free infant vaccination enforced by local authorities. By 1871, infant vaccination was compulsory and parents refusing to have their child vaccinated were fined and imprisoned if the fines were not paid. Resistance to compulsion grew, and in 1889, after riots in Leicester, a Royal Commission was appointed and issued six reports between 1892 and 1896. It recommended the abolition of cumulative