The COVID-19 pandemic has been disastrous, approaching a million deaths in the United States alone, and has demonstrated the world’s lack of preparation for a severe airborne virus. Countermeasures to infection are important to implement in order to lessen loss of life, but also must be justified and shown to be ethical. A countermeasure which is especially viable is wearing masks because of their high efficacy in preventing disease transmission compared to their relatively low restriction of liberty; studies have shown that mask wearing effectively impairs the spread of airborne pathogens and creates little physical or social harm. I argue that mandates requiring masking in public spaces where social distancing is not possible during an ai...