The government can't bar you from places your tax dollars fund. Period. If the government is going to start barring people entry to publicly owned spaces over refusing a vaccine for a virus with a 99.995% survival rate, they damn well better stop collecting taxes from those people.
Fetuses are humans. No one has the right to end a human life unless it is placing another life in jeopardy. You clearly haven't considered any of your positions from a moral perspective. If late-term abortions are unethical in your opinion, then so too must be abortion occurring at an earlier time during pregnancy.