The World Health Organization (WHO) on Friday, 5 June, updated its guidance on the use of masks for control of COVID-19, advising all people aged 60 years or over, or those with underlying conditions, to wear a medical mask in situations where physical distancing is not possible.
The new guidance advises medical masks for all people working in clinical areas of a health facility in areas with widespread transmission, not only workers dealing with COVID-19 patients, Xinhua reported.
The new guidance also updated the WHO's advice on the use of masks by the general public in areas with community transmission.
"In light of evolving evidence, WHO advises that governments should encourage the general public to wear masks where there is widespread transmission and physical distancing is difficult," Tedros said while introducing the new guidance.
Based on new research, the WHO also advises that fabric masks should consist of at least three layers of different materials.
However, the UN health body warns that masks are not a replacement for physical distancing, hand hygiene and other public health measures, and they are only of benefit as part of a comprehensive approach in the fight against COVID-19.
"The cornerstone of the response in every country must be to find, isolate, test and care for every case, and to trace and quarantine every contact," Tedros stressed.
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