QUARANTINE HATCH NOTICE
13 pulses of the quarantine siren marks passage of sufficient time for any remaining pathogenic microorganisms in the environment to fall below levels that pose viable threat to basic human activity. Quarantine hatches are to remain sealed until a facility officer removes locking tags.
Tampering with a quarantine hatch will result in immediate expulsion from the protection of this facility.
BY ORDER OF THE SENIOR INFECTION CONTOL OFFICER