Some poeple close to air-con really much but why some pepole bring back sick by nouns con by staying single for few minutes?

Some poeple close to air-con really much but why some pepole bring back sick by nouns con by staying single for few minutes?
Air cond regulates the humidity and the temperature. It works primarily by sucking out water from the environment. If the temp thermostat is set at the right warmth, being within an aircond environment can be very comfortable. The desperate thing give or take a few air cond is that it reused the heavens...recycle. So, if someone is having a cough or flu, the virus can be spread across the room and adjectives can get sick.
Further, if you be out and sweaty before coming into the remarkably cold air cond room, you could ambush a cold .
Air-con can dry out the air, beside similar effects of a dehumidifier. Some people don't close to environmental changes, and the bodies course of identifying this is to breed them feel sick.
What?