Among the guidance by WHO on the use of mask includes who should be wearing a mask, when a mask should be worn and what a mask should be made of
The World Health Organization (WHO) has recently released an update guidance on the use of mask for control of Covid-19.
Firstly, in areas with widespread of transmission WHO director general, Dr Tedros Adhanom Ghebreyesus said that WHO advises medical masks for all people working in clinical areas of health facility.
This is not only for workers working with patients for Covid-19.
Secondly, in areas with community transmission, WHO advises that people aged 60 years or over, or those with underlying conditions should wear a medical mask in situations where physical distancing is not possible.
Third, on the use of masks by the general public in areas with community transmission.
In light of evolving evidence, WHO is also advising governments should encourage the general public to wear masks where there is widespread transmission and physical distancing is difficult.
This includes situations such as public transports, shops or in other confined and crowded environments.
Dr Tedros also revealed new information on the composition of new fabric masks, based on academic research requested by WHO.
WHO advises that the fabric should be made at least of three different layers of materials.