Please read this letter that I co-authored for ocla.ca.
OCLA Asks WHO to Retract Recommendation Advising Use of Face Masks in General Population
http://ocla.ca/wp-content/uploads/2020/06/2020-06-21-Letter-OCLA-to-WHO-DG.pdf
Hou.
#masksdontwork
We will be happy to hear your thoughts
