Assertion: air travel | /r/HasProperty | recirculated
Facets:
Source sentences:
text: Traveling by plane doesn’t necessarily increase the risk of contracting a communicable disease more than another kind of mass transit, according to the World Health Organization, as ventilation systems on aircraft use filters to trap bacteria and viruses before air is recirculated.
text: Airlines carriers are quick to say that the air you're breathing inflight is recirculated and filtered regularly, which means you're not being exposed to things like bacteria and viruses through the recycled air.