Until the scab falls off, your vaccination sore will be contagious and could spread the virus to others for up to t medical help if someone in your household shows signs of smallpox. Because cowpox and human smallpox are similar, infection with cowpox can protect humans against smallpox. The vaccine is made from a virus called vaccinia, which is a poxvirus similar to smallpox, but less harmful.
Aug 2 20Smallpox vaccine is a live vaccine, and the virus can shed from your injection site. Vaccine Basics Smallpox CDC Jul 1 20The smallpox vaccine protects people from smallpox by helping their bodies develop immunity to smallpox. The history of smallpox holds a unique place in medicine.
The smallpox vaccine is made using a poxvirus that infects cows (cowpox).
Smallpox Vaccine - What You Need to Know
Smallpox vaccine - Jul 1 20After smallpox was eliminated from the worl routine vaccination against smallpox among the general public was stopped because it was no longer needed. The smallpox vaccine contains live vaccinia virus, not a killed or weakened virus like many other vaccines.