1919: If You Must Smoke While Wearing Your Influenza Mask April 13, 2021 No Comments Popular Science Monthly May 1919 (Page 33) If You Must Smoke While Wearing Your Influenza Mask Source Links: Read via Google Books: If You Must Smoke While Wearing Your Influenza Mask Previous Post Next Post You may also like February 3, 2021 1949: MEASLES SAVES BABY’S LIFE May 6, 2021 1979: 60 Minutes with Mike Wallace Discusses the 1976 Swine Flu February 4, 2021 1954: Kentucky Girl’s Parents Seek Red Measles