[arn]

"They're not remotely the same thing. The former drops to less than 50% effectiveness after six months, the latter eradicated the disease."

Would you only take the first Smallpox vaccine, or would you get the booster every 3 years?

https://www.cdc.gov/vaccines/vpd/smallpox/index.html

Adverse reactions (including myocarditis): https://www.cdc.gov/smallpox/vaccine-basics/vaccination-effe...

It also eradicated small pox since the vaccine was mandated.