/channels/taxonomy/term/26237/all en /channels/channels/news/covid-19-coughing-without-masks-distancing-alone-not-enough-333819 <p>To prevent the spread of COVID-19 indoors, the two metres physical distancing guideline is not enough without masks, according to researchers from Quebec, Illinois, and Texas. However, wearing a mask indoors can reduce the contamination range of airborne particles by about 67 percent.</p> Tue, 05 Oct 2021 13:08:37 +0000 webfull 173679 at /channels