(3/10/21) Regular contributor to the show, chemist, artist and industrial hygienist Monona Rossol is the founder and of Arts, Crafts and Theater Safety, Inc. The not-for-profit corporation is dedicated to providing health and safety services to the arts. She is also the Health and Safety Director for the Local 829 union of the United Scenic Artists International Alliance of Theatrical Stage Employees. In this installment of Leonard Lopate at Large on WBAI, Monona responds to listeners' concerns about whether the current available coronavirus vaccines are safe and whether masking actually works.