CDC says masks must fit tightly – and two are better than one

How well your mask works depends on how well it fits. Wearing two snug masks made of different materials offers 95% protection from exposure to aerosols that could contain the coronavirus.

Scott N. Schiffres, Assistant Professor of Mechanical Engineering, Binghamton University, State University of New York • conversation
Feb. 11, 2021 ~9 min

President-elect Biden's new COVID-19 task force gives the US a fresh chance to turn around a public health disaster

Biden will begin his presidency in the midst of a global public health crisis that's already killed over 240,000 people in the US alone. His team is already planning how to get COVID-19 under control.

Catherine Lynne Troisi, Associate Professor of Management, Policy, and Community Health and Epidemiology, University of Texas Health Science Center at Houston • conversation
Nov. 13, 2020 ~7 min

279,700 extra deaths in the US so far in this pandemic year

Health statisticians keep careful tabs on how many people die every week. Based on what's happened in past years, they know what to expect – but 2020 death counts are surging beyond predictions.

Ronald D. Fricker Jr., Professor of Statistics and Associate Dean for Faculty Affairs and Administration, Virginia Tech • conversation
Oct. 14, 2020 ~7 min

Up to 204,691 extra deaths in the US so far in this pandemic year

Health statisticians keep careful tabs on how many people die every week. Based on what's happened in past years, they know what to expect – but 2020 death counts are surging beyond predictions.

Ronald D. Fricker Jr., Professor of Statistics and Associate Dean for Faculty Affairs and Administration, Virginia Tech • conversation
Aug. 13, 2020 ~5 min

How to make sure you're wearing your mask right

Masks are only effective if you follow certain principles when wearing them.

Joy Pieper, Clinical Assistant Professor of Nursing, Purdue University • conversation
July 23, 2020 ~5 min

How to make sure your mask maximizes protection, according to a nurse (Hint: Start by wearing over both mouth and nose)

Masks are only effective if you follow certain principles when wearing them.

Joy Pieper, Clinical Assistant Professor of Nursing, Purdue University • conversation
July 23, 2020 ~5 min

How does the coronavirus test work? 5 questions answered

A molecular biologist explains who should get tested, how the tests work and what the US government is doing to make tests available during a rapidly changing crisis.

Maureen Ferran, Associate Professor of Biology, Rochester Institute of Technology • conversation
March 12, 2020 ~8 min

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