As COVID-19 cases increase, the global supply of Personal Protective Equipment (PPE) is becoming insufficient, particularly for medical masks and respirators followed closely by gowns and googles. The World Health Organization (WHO) released in February 2020 an interim guidance [1] on the rational use of PPE for coronavirus disease 2019 (COVID-19). The guidance state that to minimize the need for PPE, WHO recommends the “use of physical barriers to reduce exposure to the COVID-19 virus such as glass or plastic windows.”