Diseases, Conditions, Syndromes

Face masks may not protect against coronavirus

University of Cincinnati scientist Sergey Grinshpun has tested the performance of respiratory protective devices against biological agents for nearly three decades.

Diseases, Conditions, Syndromes

Hong Kong government offices hit by deadly bug

The bacteria that cause Legionnaires' disease have been found at several sites in the new Hong Kong government complex after one minister fell ill, in a major embarrassment for the authorities.

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