There is no treatment for smallpox. Vaccination is the only way to prevent it.
The disease has been eradicated by the intensified plan launched by WHO, to eradicate smallpox in 1967 with the help of a global immunization campaign. The last naturally occurring case of smallpox was reported in 1977, and in 1980 the WHO announced that naturally occurring smallpox had been eradicated globally.
After 1980, smallpox vaccinations have been discontinued for the general population worldwide. Currently some military personnel and some health care workers are vaccinated. As the smallpox vaccine can have side-effects, it is important to know who should not receive the vaccination.
If there is a case of smallpox, the patient should be physically isolated to prevent the spread of smallpox and everyone who has or will come into close contact should be vaccinated. Experiences from the eradication campaign show that physical isolation is essential to break the chain of transmission.
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