The vaccine produced by Chumakov's Institute was exported into more than 60 countries, and was instrumental in stopping large outbreaks of poliomyelitis in Eastern Europe and Japan. The success of the Russian clinical trials was critical to OPV licensing in the United States in 1962, and the vaccine becoming the main tool used in global poliomyelitis eradication campaign. Chumakov also created a number of other human and veterinarian vaccines, including inactivated vaccine against TBE, measles, influenza and vaccine against Canine distemper virus that is widely used to protect farmed fur animals.