Newslink: Apollo 11 Moon Landing Had a Plan for Lunar Germs — But Video Clip Reveals a Big Flaw

When the Apollo 11 crewmembers splashed down in the Pacific Ocean on July 24, 1969, just days after two of them stepped onto the moon, NASA had procedures to contain any moon germs.

https://www.space.com/pbs-chasing-the-moon-apollo-11-quarantine.html