Diseases, Conditions, Syndromes

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

On Feb. 10, the Centers for Disease Control and Prevention released new mask guidelines based on a study of how mask fit affects the wearer's exposure to airborne particles. With more transmissible COVID-19 strains emerging ...

Diseases, Conditions, Syndromes

CDC says coronavirus can spread indoors in updated guidance

The top U.S. public health agency said Monday that the coronavirus can spread more than 6 feet through the air, especially in poorly ventilated and enclosed spaces. But agency officials maintained that such spread is uncommon ...

Diseases, Conditions, Syndromes

Evidence shows cloth masks may help against COVID-19

The evidence shows that cloth masks, particularly those with several layers of cotton cloth, block droplet and aerosol contamination of the environment, which may reduce transmission of COVID-19.

Diseases, Conditions, Syndromes

Is 6 feet of social distancing really enough?

By now, Americans are familiar with the rule: Stay six feet away from other people for your best chance of preventing the spread of COVID-19.

Diseases, Conditions, Syndromes

Heating could be the best way to disinfect N95 masks for reuse

Since the outbreak of the COVID-19 pandemic, N95 face masks have been in short supply. Health care workers, in particular, desperately need these masks to protect themselves from the respiratory droplets of infected patients. ...

Diseases, Conditions, Syndromes

Understanding changing guidance on mask use

In early April, the Centers for Disease Control and Prevention revised its guidance to recommend that in addition to social distancing measures, all Americans should wear masks when leaving the house for essential trips such ...

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