Efficacy of Homemade Masks Materials 100% cotton T-shirt Scarf Tea towel Pillowcase Antimicrobial Pillowcase Surgical mask Vacuum cleaner bag Cotton mix Linen Silk Original Study: https://www.cambridge.org/core/jour #COVID19 #Facemasks #DIY #Homemade #Materials #Efficacy #PPE #Effectiveness #Breathability