In the early 60s, my father asked the Society if it was OK to be vaccinated before we went to where 'The Need Was Great'. It was OK'd by the Society, so we were vaccinated and went,.
In hindsight, none of his converts were saved from anything that the Society was saying his god was going to do, Look up the pictures in the Paradise book.
Many of his converts have passed away at ages much younger than Dad was telling them that they would reach, "in this wicked system of things."