In April 2020, public health officials in the US did a complete 180 and started mandating masks. Believe it or not, this was an example of the scientific method working.

Citation:
Turbulent Gas Clouds and Respiratory Pathogen Emissions Potential Implications for Reducing Transmission of COVID19 Lydia Bourouibia (26 March 2020)
Full Article: https://jamanetwork.com/journals/jama...

Dr. Wu Lienteh Recommended Reading / Listening:
https://99percentinvisible.org/episod...
https://www.newscientist.com/people/d...
https://www.gavi.org/vaccineswork/100...

Time Stamps:
0:00 Changing Public Health Info Early 2020 US
1:14 Dr. Wu Lienteh – Early Face Mask Pioneer
1:50 Scientific Breakthroughs in the Public Eye
2:42 What does Isaac Newton have to do with this?
3:58 Old Tuberculosis Data & New Research
4:57 The Scientific Method Worked!

Timeline of News Stories:
28 Jan 2020 https://www.cnn.com/2020/01/28/health...
29 Jan 2020 https://kesq.com/news/2020/01/29/cdc...
31 Jan 2020 https://www.cnbc.com/2020/01/31/china...
03 Apr 2020 https://www.npr.org/sections/coronavi...

Stock Image and Video Credits:
“Covid Virus” https://www.pexels.com/photo/coronavi...
“Face Mask” https://pixabay.com/illustrations/fac...
“Wu Lienthe – c. 19101915” https://commons.wikimedia.org/wiki/Fi...
Library of Congress, Prints & Photographs Division, [reproduction number, e.g., LCB21234]
“Plague suspected [sic] discovered on inspection tour 7385441” by ralphrepo is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/....
"Dr. Ku and assistant in front of 'old style' Chinese plague hospital, Fuchiatien 7385467" by ralphrepo is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/....
"Aerial Photography of Great Wall of China" by Manuel Joseph https://www.pexels.com/photo/aerialp...
“Newspaper Template” https://pixabay.com/illustrations/new...
"Mycobacterium tuberculosis Bacteria, the Cause of TB" by NIAID is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/....
"File:FC Cincinnati social distancing COVID19 20200821.jpg" by Jamie Smed from Cincinnati, Ohio is licensed under CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/....

Free B Roll provided by Videezy.com
“Times Square Street Sign”
"Aerial View Of Great Wall Of China 4K"

#ScientificMethod #COVID19 #SocialDistancing