COVID-19 Preventive Measure: A Study on “MASK-A Boon or a Bane”

Table 1

List of some commonly available masks.

Sr. No.	Types of masks
1	Respirator masks [24–31]
2	N95 masks [32–40]
3	Surgical masks [37, 38, 40, 41]
4	Air purifier masks [42, 43]
5	Fabric face masks [32, 44–46]
6	Single-layer face masks [47]
7	Dust masks [47]

Note: Numbers in square brackets are reference numbers