Testing out Masks

We take a look a couple common masks to show what comes through.

Our discussion and analysis was not just based on what we do here.
These are the various studies we looked at as well:

---COMMENTARY: Masks-for-all for COVID-19 not based on sound data
https://www.cidrap.umn.edu/news-perspective/2020/04/commentary-masks-all-covid-19-not-based-sound-data?fbclid=IwAR2pSCweQbIkDItBzmY3oyjbiQn6ZPJIYh4Jj2BO3lbVm6Ln1O5qJkPJwS0
---Effectiveness of N95 respirators versus surgical masks in protecting health care workers from acute respiratory infection: a systematic review and meta-analysis
https://www.cmaj.ca/content/188/8/567
---Professional and Home-Made Face Masks Reduce Exposure to Respiratory Infections among the General Population
Masks worn by patients may not offer as great a degree of protection against aerosol transmission.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2440799/#:~:text=Short%20term%20inward%20protection%20experiment&text=Surgical%20masks%20provided%20about%20twice,much%20protection%20as%20surgical%20masks.
---A cluster randomised trial of cloth masks compared with medical masks in healthcare workers
This study is the first RCT of cloth masks, and the results caution against the use of cloth masks. This is an important finding to inform occupational health and safety. Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally. However, as a precautionary measure, cloth masks should not be recommended for HCWs, particularly in high-risk situations, and guidelines need to be updated.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420971/?fbclid=IwAR1rJ4xnJZ70N9dTeSAHsEPYA7amv-LNrOk1gMs_YbcrbxEzi3m1cBoqo2k

--- Effectiveness of facemasks to reduce exposure hazards for airborne infections among general populations
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3306645/

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