Chris Schaefer Mask Expert - breathing barriers mis-named as masks are making people sick.

Video taken at the Mega Rally in Kelowna on 23 April, 2022. Video taken in Penticton is also on my channel and is a longer version.

Chris Schaefer
Respirator Specialist
Edmonton, Canada
Mask Expert
http://maskexpert.ca

Preliminary report on surgical mask induced deoxygenation during major surgery
https://pubmed.ncbi.nlm.nih.gov/18500410/

COVID-19 and mask in sports
https://www.sciencedirect.com/science/article/pii/S2666506920300250

“Exercise with facemask; Are we handling a devil's sword?” – A physiological hypothesis
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7306735/#b0075

The Physiological Impact of N95 Masks on Medical Staff
https://clinicaltrials.gov/ct2/show/NCT00173017

New link between hypoxia and blood clot risk https://www.sciencedaily.com/releases/2018/08/180802115657.htm

The stimulation of thrombosis by hypoxia https://www.sciencedirect.com/science/article/abs/pii/S0049384819302956

The stimulation of thrombosis by hypoxia https://www.researchgate.net/publication/334474652_The_stimulation_of_thrombosis_by_hypoxia

COVID-19 vector-based vaccine causing thrombosis
https://pubmed.ncbi.nlm.nih.gov/33998976/

Covid-19 vaccine- induced thrombosis and thrombocytopenia-a commentary on an important and practical clinical dilemma
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8130591/

Deep vein thrombosis (DVT) occurring shortly after the second dose of mRNA SARS-CoV-2 vaccine https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7940863/