HEPA filter effectively reduces airborne respiratory particles generated during vigorous exercise, researchers find

A pair of studies shed light on something that is typically difficult to see with the eye: respiratory aerosols. Such aerosol particles of varying sizes are a common component of breath, and they are a typical mode of transmission for respiratory viruses like COVID-19 to spread to other people and surfaces.

from Top Health News -- ScienceDaily https://ift.tt/3b2ZBbB