USPS Mailman with Mask and Gloves during the COVID-19 Coronavirus Pandemic Editorial Stock Image - Image of post, logo: 180011299

More US Postal Service employees test positive for COVID-19; safety rules in effect - The Boston Globe

Woman Admits to Spitting on USPS Worker, Threatening Him With COVID-19

Usps mail truck hi-res stock photography and images - Alamy

175 Usps Logo Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Pandemic guidance – USPS Employee News

USPS: Face Covering and Mask Update 5-19-2021 - 21st Century Postal Worker

Poorly Protected Postal Workers Are Catching COVID-19 by the Thousands. It's One More Threat to Voting by Mail. — ProPublica

Mailman america hi-res stock photography and images - Alamy

175 Usps Logo Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Wearing of masks requested at some U.S. post offices

1,404 Usps Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

Postal Service controversy? COVID-19? Nothing can stop this letter carrier