Is there an adequate alternative to commercially manufactured face masks? A comparison of various materials and forms.
J Hosp Infect
; 106(2): 246-253, 2020 Oct.
Article
in English
| MEDLINE | ID: covidwho-739030
ABSTRACT
BACKGROUND:
There is a worldwide shortage of medical-grade face masks. Donning masks can play an important role in curbing the spread of SARS-CoV-2.AIM:
To conclude whether there is an effective mask for the population to wear in public that could easily be made during a medical face mask shortage using readily available materials.METHODS:
We determined the effectiveness of readily available materials and models for making a face mask. The outcomes were compared with N95/FFP2/KN95 masks that entered the Netherlands in April-May 2020. Masks were tested to determine whether they filtered a minimum of 35% of 0.3-µm particles, are hydrophobic, seal on the face, are breathable, and can be washed.FINDINGS:
Fourteen of the 25 (combinations of) materials filtered at least 35% of 0.3-µm particles. Four of the materials proved hydrophobic, all commercially manufactured filters. Two models sealed the face. Twenty-two of the 25 materials were breathable at <0.7 mbar. None of the hydrophobic materials stayed intact after washing.CONCLUSIONS:
It would be possible to reduce the reproduction rate of SARS-CoV-2 from 2.4 to below one if 39% of the population would wear a mask made from ePM1 85% commercially manufactured filter fabric and in a duckbill form. This mask performs better than 80% of the imported N95/FFP2/KN95 masks and provides a better fit than a surgical mask. Two layers of quilt fabric with a household paper towel as filter is also a viable choice for protecting the user and the environment.Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Pneumonia, Viral
/
Respiratory Protective Devices
/
Textiles
/
Guidelines as Topic
/
Coronavirus Infections
/
Equipment Design
/
Pandemics
/
Betacoronavirus
/
Masks
Limits:
Humans
Country/Region as subject:
Europa
Language:
English
Journal:
J Hosp Infect
Year:
2020
Document Type:
Article
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