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

https://www.cnn.com/travel/article/travelers-who-test-positive-for-covid-on-vacation/index.html

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

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/

The Biden administration will allow vaccinated international travelers to enter the United States, including at land borders with Canada...

The country’s decision wasn’t based on science; it was based on politics. https://www.theatlantic.com/international/archive/2021/09/ameri...

https://www.nytimes.com/2021/09/21/opinion/cdc-coronavirus-vaccine.html

https://www.nytimes.com/2021/09/21/opinion/cdc-coronavirus-vaccine.html

https://news.yahoo.com/experts-eye-more-travel-testing-215131632.html

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

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

https://www.hollywoodreporter.com/business/business-news/2021-nab-show-canceled-delta-variant-1235014304/

https://skift.com/2021/09/12/vaccine-passports-in-uk-will-be-scrapped-as-part-of-winter-covid-planning/

https://www.washingtonpost.com/us-policy/2021/09/11/biden-business-vaccines-covid/