News and notes from around the interweb:

• It was clear from the start that US screening of inbound international passengers for Covid-19 was largely window dressing and not stopping anyone from entering with the virus. But now it comes out that agents were getting infected, and the administration knew it but kept the program going to look like they were doing something about the virus. (HT: Jonathan W.)

• United’s plan for extracting pilots who are diagnosed with Covid-19 on a trip

• Whistleblower claims runway at Detroit Metro Airport unsafe

• The Mandarin Orchard hotel in Singapore, which was being used for quarantine, may have spread the virus via infected workers.

• I missed this video on Delta’s 767 retrofit a year ago, but a great watch for some of the small details that go into this.

• Avianca LifeMiles has paused mileage expiration through July 30, 2021.