Thanks to vaccination, humanity was able to completely destroy the smallpox virus in nature ... although there is no certainty, so the samples are still stored in laboratories.
The last case of smallpox infection was registered on October 26, 1977 in Somali the city of Mark.
Everything is described in great detail on wikipedia.org
Well, not everyone has a large scar on the left shoulder - routine vaccinations were stopped by the 83rd year, because the WHO announced the complete destruction of the virus. Therefore, in fact, at the moment it is believed that no one is sick with smallpox, but it seems to me that one should be very careful here and not make hasty conclusions. Knowing the level of adaptability and variability of viruses, as well as their huge number and our insignificant knowledge, we can assume that the virus has not disappeared anywhere, it still circulates in the environment, it simply cannot "attack" people. Sometimes in the media you can find information about isolated and unproven cases of smallpox infection somewhere in third world countries.
Thanks to universal vaccination, smallpox was defeated in the 70s of the last century. After that, there were no sources of infection with the virus (more precisely, it is stored in protected storages in two places in the world).
Smallpox has not been vaccinated on the territory of the former USSR since 1982.
Since there is no one to get the virus from, then no one else gets sick.
It's simple - smallpox vaccination (this is the same small scar on the left shoulder). The fact that smallpox is sick only once in a lifetime was noted by the ancient Indians, but successful vaccination began only at the end of the 18th century.
The final plan for the eradication of smallpox in the world was developed by Soviet doctors, and it was adopted at the assembly of the World Health Organization in 1967. This is what the USSR can add to itself as an unconditional asset along with the flight of Gagarin and the victory over Nazi Germany.
when I was licked by a stray unknown dog and after that I poked my nose? The trampoline center refused 3 days what to do? I don't want to die