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Relentless coughing after a viral infection can be frustrating and worrisome, but in most cases, coughs resolve over time. The Good Brigade/DigitalVision via Getty Images

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.
Coughing, sneezing, talking and even just breathing can produce airborne particles that can spread SARS-CoV-2. Stanislaw Pytel/Digital Vision via Getty Images

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.
The guidance on masks appears to be shifting, but social distancing is still the key step people can take. Muhammad Fayyaz Rub/Shutterstock.com

Should we wear masks or not? An expert sorts through the confusion

The CDC is reconsidering its policy about the widespread public’s use of masks, as is the World Health Organization. Here are the facts about when it’s appropriate to wear a mask – and what kind.

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