I don’t see “only if they are effective” in the constitution. do you?
They can’t be mandated by the fedgov
The so-called vaccines, which prominent MDs are starting to refer to as Serums because they are not true vaccines, these Serums are NOT proven effective so the federal government has no business mandating them any more than mandating baloney sandwiches to cure cancer.
The federal government has a role in promoting the public health but they don’t have carte-blanche to do whatever they want without thorough examination which would be confirmed via FDA authorization which hasn’t happened for the Serums they are mandating.