![Double-masking helps filter more particles - Dr Noor Hisham Double-masking helps filter more particles - Dr Noor Hisham](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2021-05/71621684552_Noorhishamsidang.jpg)
Double-masking helps filter more particles - Dr Noor Hisham
Double-masking or wearing a cloth mask on top of a medical-grade mask helps filter more particles than wearing a single cloth mask alone, said Health director-general Tan Sri Dr Noor Hisham Abdullah.
Fri May 28 2021