Mace Firebaugh, Casey, Tishra Beeson, Amie Wojtyna, and Ryan Arboleda. “INCREASED PM2.5 LEVELS ASSOCIATED WITH INCREASED INCIDENCE OF COVID-19: THE WASHINGTON WILDFIRES OF 2020: Los Incendios De Washington De 2020”. Environmental Smoke 4, no. 2 (August 31, 2021): 49–53. Accessed April 16, 2024. https://environmentalsmoke.com.br/index.php/EnvSmoke/article/view/150.