Population-level trends in asthma and chronic obstructive pulmonary disease emergency department visits and hospitalizations before and during the coronavirus disease 2019 pandemic in the United States
Adam Gaffney, David U. Himmelstein, Steffie Woolhandler
Topics & Concepts
MedicineCOPDAsthmaEmergency departmentEmergency medicinePopulationAmbulatory careAmbulatoryWheezePediatricsInternal medicineHealth careEnvironmental healthPsychiatryEconomicsEconomic growthCOVID-19 and healthcare impactsCOVID-19 Clinical Research StudiesChronic Obstructive Pulmonary Disease (COPD) Research