Smallpox Great Britain it became the dominant form of smallpox, further reducing mortality rates. The English physician Edward Jenner demonstrated the effectiveness of cowpox to protect humans from smallpox in 1796, after which various attempts were made to eliminate smallpox on a regional scale. In Russia in 1796, the first child to receive this treatment was bestowed the name "Vaccinov" by Catherine the Great, and was educated at the expense of the nation. The introduction of the vaccine to the New World took place in Trinity, Newfoundland in 1800 by Dr. John Clinch, boyhood friend and medical colleague of Jenner. As
History of HIV/AIDS the necessity to supply workers and because firearms became more widely available. The colonial authorities also gave many vaccinations against smallpox, and injections, of which many would be made without sterilising the equipment between uses (unsafe or unsterile injections). Chitnis "et al." proposed that both these parenteral risks and the prostitution associated with forced labor camps could have caused serial transmission (or serial passage) of SIV between humans (see discussion of this in the next section). In addition, they proposed that the conditions of extreme stress associated with forced labor could depress the immune system of workers, therefore prolonging the