Hotel air ventilation: Does it matter during covid-19? – Washington Post

As the world continues to adapt to the coronavirus pandemic, “ventilation” has become a buzzword in the travel industry.

Early in the year, on coronavirus-plagued cruise ships, ventilation systems became a point of fear for passengers and crew alike. The effectiveness of air filtration and ventilation on airplanes is still not totally clear: While some studies suggest the chances of contracting coronavirus on a flight are low, some risk remains.

For hotels, however, good ventilation has become a feature to promote to bring customers back. Major chains, including MGM Resorts International and the Four Seasons, have advertised that they are enhancing ventilation systems, and smaller companies have gotten in on the movement, too: A-Lodge Adventure Hotel in Boulder, Colo., says one of its selling points, besides perks like access to hiking trails, is that its rooms and suites have no shared ventilation between them.

But health experts’ opinions vary as to whether — and how much — travelers should be concerned about ventilation in their hotel rooms. Here’s what four of them told The Washington Post.

Amesh Adalja, senior scholar at the Johns Hopkins Center for Health Security

Adalja, who has been contacted by hotel chains to help them come up with coronavirus safety protocols, says most transmission is occurring as a result of close interpersonal