Understanding Particle Size and Aerosol-Based Transmission of COVID-19 - 4C Conference

Understanding Particle Size and Aerosol-Based Transmission of COVID-19

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4C Marketplace Graphic COVID-19 Aerosol

Download the Full Report Here: Understanding Particle Size and Aerosol-Based Transmission

Frequently asked questions: COVID-19 Transmission Frequently Asked Questions

Aerosol-based Transmission: Are you in the pathway?
Social distancing will not protect anyone in a case such as this.
This student is always equidistant to the speaker (and over 6ft away),
but the outcomes are very different.

On the left, all students are infected with COVID-19.
On the right, no transmission or infection occurs at all.

COVID-19 aerosol-based transmission is entirely dependent on the airflow pathway.

Download the Full Report Here: Understanding Particle Size and Aerosol-Based Transmission

 

 

 

 

References:

1. Filtration limitations of masks.
https://www.softsealmask.com/Protecting%20Your%20Lungs%20from%20P2_5.pdf
2. Slides showing bronchial tract.
https://www.me.psu.edu/cimbala/me405/Lectures/Slides_Particles.pdf
3. Discussion of modes of transmission for influenza regarding particle size.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2894888/#RSIF20100026C11
4. How large is a corona virus particle?
https://newsnetwork.mayoclinic.org/discussion/covid-19-mayo-clinic-expert-answers-questions-about-masks-after-cdc-updates-its-recommendation/
5. Some COVID-19 patients do not spread the virus although they are infected.
https://www.sciencemag.org/news/2020/05/why-do-some-covid-19-patients-infect-many-others-whereas-most-don-t-spread-virus-all
6. Particle Size
https://www.ncbi.nlm.nih.gov/books/NBK554776/
7. H2O Size
http://butane.chem.uiuc.edu/pshapley/Enlist/Labs/WaterStruc/Teachers.html#:~:text=The%20water%20molecule%20 is%20composed,diameter%20of%20about%202.75%20angstrom.
8. Indoor Transmission
https://www.medrxiv.org/content/10.1101/2020.04.04.20053058v1.full.pdf
9. A study in Japan
https://www.medrxiv.org/content/10.1101/2020.02.28.20029272v2.full.pdf
10. Recent preprint
https://wellcomeopenresearch.org/articles/5-67
11. Kai Kupferschmidt
https://www.sciencemag.org/author/kai-kupferschmidt
12. Reynolds, J., Jeris, J. S., & Theodore, L. (2002). Handbook of Chemical and Environmental Engineering Calculations. Wiley.

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