Cabin isolation assemblies

An aircraft comprising, an isolation section assembly further comprising:

• a section housing, connected to at least one monument connection point within the aircraft cabin, defining an interior space, the section housing including at least one door with access to the interior space;
• an airlock enclosure positioned within an aircraft aisle, the airlock enclosure abutting the door and comprising a first aisle door and a second aisle door each providing access from a cabin area to the airlock enclosure, the airlock enclosure defining an interior airlock space, wherein the interior airlock space is configured and adapted to be at a negative pressure relative to the cabin area;
• and
• an air recirculation system in fluid communication with at least one of the interior space of the section housing or the interior airlock space.