A nagging cough can hang on for weeks or months following a respiratory illness – and there is precious little you can do about it

Some coughs can last for weeks or even months following an upper respiratory infection. The good news – albeit not very satisfying – is that most eventually go away on their own.

Kyle B. Enfield, Associate Professor of Medicine, University of Virginia • conversation
Feb. 10, 2023 • ~9 min

People are getting sick from coronavirus spreading through the air – and that's a big challenge for reopening

SARS-CoV-2 can be spread through the air. But just how much of a factor that is has been hard to determine. Recent evidence suggests it is common, posing problems as public places begin to reopen.

Douglas Reed, Associate Professor of Immunology, University of Pittsburgh • conversation
June 16, 2020 • ~9 min

Coronavirus drifts through the air in microscopic droplets – here's the science of infectious aerosols

Aerosols are the tiny particles of liquid and material that float around in our environment. When they come from an infected person, they may be a significant source of coronavirus transmission.

Shelly Miller, Professor of Mechanical and Environmental Engineering, University of Colorado Boulder • conversation
April 24, 2020 • ~9 min

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