With the shortage of N95 respirators, which is the type of respirator recommended by the Centers for Disease Control (CDC) for respiratory protection against the coronavirus, MTAS has received questions about the reuse of N95 respirators and alternate types of respirators and masks. This hot topic provides information on N95 respirators and other types of respiratory protection. MTAS does not recommend or endorse any products. Cities should use this information as a resource when making decisions for their operations.