PIN–UP | MASK UP: How The Guy Fawkes Mask Became One Of The Most Iconic Design Objects In Recent History
MIT engineers develop sensors for face masks that help gauge fit | MIT News | Massachusetts Institute of Technology
13 Best Face Masks We Actually Like to Wear (2023) | WIRED
Masks | Coronavirus
COVID-19: How to Select and Wear a Mask | Mass.gov
When and how to use masks
Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR