A pediatric nurse explains the science of sneezing

People sneeze for many reasons and in many ways. One of them is to protect your airways from irritants and infectious disease.

Meg Sorg, Clinical Assistant Professor of Nursing, Purdue University • conversation
June 28, 2021 • ~6 min

Aerosols are a bigger coronavirus threat than WHO guidelines suggest – here's what you need to know

More than 200 scientists wrote to the WHO, warning about aerosol transmission of the coronavirus. The WHO has since acknowledged the evidence but hasn't change its advice yet.

Goodarz Ahmadi, Professor of mechanical engineering, Clarkson University • conversation
July 9, 2020 • ~9 min

Infected with the coronavirus but not showing symptoms? A physician answers 5 questions about asymptomatic COVID-19

Your body can be infected and fight off SARS-CoV-2 without your ever noticing.

William Petri, Professor of Medicine, University of Virginia • conversation
April 30, 2020 • ~6 min

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