Your freedom to control over one's body ends when it comes to the safety and health of other people's bodies. That's why herd immunity is a thing.
Intentionally coughing on someone is a prosecutable crime in many parts of the world --- What do you think makes it a crime?
Why not? if the cost & benefit ratio is worth it, maybe we should. The same for any other diseases you can think of. If the answer is yes, then there are no reason for any of us to refuse unless we have good excuses.
It is? By Easter right? With what other coronavirus have we ever reached herd immunity?
Does that not include the unborn?