Should You Really Wear A Mask? Top Microbiologist & Immunologist Weighs In

After A-lister, Matthew McConaughey, toured the media circuit with his “mandatory masks” message, many still question if wearing a mask helps stop Coronavirus. Top Microbiologist and Immunologist from Ireland, Dolores Cahill, PhD weighs in with some VERY definitive answers.

https://www.youtube.com/watch?v=czjAebDKsEw