https://www.usatoday.com/story/travel/news/2021/10/25/unvaccinated-american-travelers-face-covid-testing-upon-return-us/6173830001/

https://time.com/6108331/business-travel-decline-covid-19/

https://www.reuters.com/world/us/international-travel-searches-spike-after-us-moves-ease-curbs-kayak-2021-10-18/

https://www.reuters.com/world/us/us-open-border-with-canada-starting-early-november-buffalo-news-2021-10-13/

https://www.nytimes.com/2021/10/12/health/when-will-covid-end.html

Delta Hangover Beginning to Wear Off as Traveler Confidence Index Rises for Business and Leisure FOR IMMEDIATE RELEASE Contact: Colleen...

https://www.npr.org/2021/10/09/1036555480/pandemic-travel-industry-tourism-vacations

https://www.bloomberg.com/news/articles/2021-10-07/u-k-pares-red-list-to-seven-countries-in-bid-to-spur-air-travel

https://www.bloomberg.com/news/articles/2021-10-04/jpmorgan-restricts-business-travel-for-unvaccinated-employees

https://www.cbsnews.com/amp/news/vaccination-rate-states-leisure-jobs/

https://www.axios.com/fully-vaccinated-europe-us-travel-ban-lift-1db6d345-a97f-4963-a6f0-d71466592cc5.html

The government is considering strict new rules for passengers. Here's what to expect. https://www.elliottconfidential.com/p/vaccination-r...

https://www.businessinsider.com/fauci-air-travel-vaccine-mandate-2021-9

https://www.cbc.ca/amp/1.6179574

https://www.bbc.com/news/business-58560821

Companies were counting on corporate travelers to return this fall, but more businesses are keeping workers home....

https://www.cnn.com/travel/article/eu-bans-on-us-tourists-sweden-netherlands-italy/index.html

Some airlines have attributed the drop in travelers to the Delta variant https://www.foxbusiness.com/lifestyle/tsa-reports-lowest-number-...

https://www.nytimes.com/2021/09/01/opinion/covid-travel.html

https://skift.com/2021/08/31/global-travel-restrictions-are-averaging-350-per-country-this-far-into-pandemic/