Non-clinical grade masks – whether acquired in a doctor’s office or home-made from cloth-- are a tricky business. So, before we place undue confidence in their ability to protect us from COVID 19 transmission -- let’s get some advice from the public health experts.
The johns Hopkins School of Public Health offers a pyramid turned upside down as a teaching aid:
- Its broad base, with the most effective action – Social Distancing -- is on top, followed by;
- thorough/frequent Hand Washing and abstaining from touching our face; followed by:
- the disinfecting of High-touch Surfaces and objects. At the tip (bottom), the least effective--
- non-clinical Masks and Gloves.