As Christina Koch and her Artemis II crewmates enter a carefully controlled two-week quarantine, NASA applies lessons learned from Apollo 13 and beyond to ensure that even the smallest illness doesn’t jeopardize humanity’s next journey toward the Moon. Christina Koch and her crew-mates are currently in quarantine ahead of the next launch attempt for the Artemis II mission on April 1. They aren’t sick and NASA wants it to stay that way. NASA’s Health Stabilization Program typically begins about 14 d... [2430 chars]