Similar aerosol emission rates and viral loads in upper respiratory tracts for COVID-19 patients with Delta and Omicron variant infection
Jiaming Li, Yidun Zhang, Lina Jiang, Hongliang Cheng, Jing Li, Li Li, Zehui Chen, Fei Tang, Yingying Fu, Y. J. Jin, Bing Lu, Jing Zheng, Zhongyi Wang
Abstract
• Aerosol emission rates of Delta or Omicron patients were similar. • Viral loads in upper respiratory tract of Alpha, Delta and Omicron patients were similar. • Viral loads in upper respiratory tract of vaccinated or unvaccinated Delta patients had no difference.
Topics & Concepts
Coronavirus disease 2019 (COVID-19)Respiratory tractSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Respiratory systemDelta2019-20 coronavirus outbreakVirologyAerosolUpper respiratory tract infectionRespiratory tract infectionsMedicineChemistryImmunologyInternal medicinePhysicsDiseaseInfectious disease (medical specialty)Organic chemistryOutbreakAstronomyInfection Control and VentilationCOVID-19 and healthcare impactsSARS-CoV-2 and COVID-19 Research