Montana’s vaccination discrimination law is one of the most controversial pandemic-related measures passed by Republican state lawmakers in 2021. Its rollout has created confusion within schools, health care facilities, and counties. And it has been challenged as unconstitutional by health care facilities, doctors, and nurses. A new complaint exposed a new conflict: whether the state can enforce the law on the Blackfeet reservation over the tribe’s right to administer its own rules to protect the health of its people as a sovereign nation within the borders of the United States.
