Tom Jefferson, Carl Heneghan The increasing polarised and politicised views 1 on whether to wear masks in public during the

An overview of the current evidence regarding the effectiveness of face masks.

Pandemic Influenza—Personal Protective Measures

The evidence does not conclusively favor using masks, whether homemade or surgical, to protect against the disease.

Perspective from The New England Journal of Medicine — Universal Masking in Hospitals in the Covid-19 Era

OBJECTIVE To examine the effectiveness of eye protection, face masks, or person distancing on interrupting or reducing the spread of respiratory viruses. DESIGN Update of a Cochrane review that...

The current pandemic of COVID-19 has lead to conflicting opinions on whether wearing facemasks outside of health care facilities protects against the infection. To better understand the value of...

Cloth face masks, often cobbled together as a makeshift alternative when stocks of surgical masks ru

Editor's Note The authors of this article, published in 2015, have written a response to their work in light of the COVID-19 pandemic. We urge our readers to consider the response when reading the...

The worst flu outbreak on record in Japan has affected millions of people, with many patients hospitalized or in critical condition, according to reports.