Pfizer/Moderna covid vaccine

Dr. David Martin is discussing the two recently announced vaccines from Moderna and Pfizer. If a vaccine fails to test the most important part of a vaccine - the ability to contain the spread of disease - can it really be considered a vaccine?

Liberty Lockdown now streaming on demand:
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Sources:

WHO Guidelines on clinical evaluation of vaccines:
https://www.who.int/biologicals/expert_committee/Clinical_changes_IK_final.pdf

Tal Zaks quote:
https://www.bmj.com/content/371/bmj.m4037

Moderna clinical trial info:
https://clinicaltrials.gov/ct2/show/NCT04470427

Pfizer clinical trial info:
https://clinicaltrials.gov/ct2/show/NCT04368728

Washington singing study:
https://www.cdc.gov/mmwr/volumes/69/wr/mm6919e6.htm?s_cid=mm6919e6_w

Penn Healthcare Epidemiologists' Workgroup statement:
https://www.pennmedicine.org/updates/blogs/penn-physician-blog/2020/august/airborne-droplet-debate-article

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