This finding means a layered approach to control measures (including improved ventilation, increased filtration, UV air sanitation, and tight-fitting masks, in addition to vaccination) is critical to protect people in public-facing jobs and indoor spaces.
The study, Infectious SARS-CoV-2 in Exhaled Aerosols and Efficacy of Masks During Early Mild Infection, was published in Clinical Infectious Diseases.
Findings were conducted by researchers from the University of Maryland School of Public Health, University of Maryland School of Medicine, Walter Reed Army Institute of Research, Duke-NUS Medical School, and Rice University.
Recently published data found people are twice as likely to need hospital care if they are sick with the Delta Covid variant, rather than the Alpha variant.