Evidence-based treatment during the SARS-CoV-2 pandemic: Identifying the knowns and unknowns of nebulization.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes coronavirus 19 (COVID-19), has resulted in a worldwide pandemic and currently represents a major public health issue. Among the considerations for patients with respiratory disease is the optimal delivery of inhaled bronchodilators to maximize patient care. Despite the lack of evidence, there is heightened concern about the potential risk for transmission of SARS-CoV-2 in the form of aerosolized respiratory droplets during the nebulized treatment of patients with COVID-19. In this commentary, the lack of evidence regarding nebulization and transmission of coronaviruses are discussed.