Mike Segar/Reuters
- Airbnb CEO Brian Chesky spoke to NBC News in an interview set to air on Sunday.
- Chesky said it is "hard" to enforce a carbon monoxide mandate across 220 countries and regions.
- NBC News reported that at least 19 deaths at Airbnbs involved carbon monoxide poisoning.
Airbnb CEO Brian Chesky said enforcing certain safety measures, like carbon monoxide detectors