References Dr. Adeeb Al-Zoubi in the episode
of the opposite direction 

1- COVID-19 Vaccine: A comprehensive status report
https://pubmed.ncbi.nlm.nih.gov/32800805/

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2- Immunological considerations for COVID-19 vaccine strategies
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7472682/

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3- ‘Absolutely remarkable’: No one who got Moderna’s vaccine in trial developed severe COVID-19
https://www.sciencemag.org/news/2020/11/absolutely-remarkable-no-one-who-got-modernas-vaccine-trial-developed-severe-covid-19

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4- The COVID-19 Vaccine Race: Challenges and Opportunities in Vaccine Formulation
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7405756/

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5- Vaccine Candidates against Coronavirus Infections. Where Does COVID-19 Stand?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7472384/

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6- Could certain COVID-19 vaccines leave people more vulnerable to the AIDS virus?
https://www.sciencemag.org/news/2020/10/could-certain-covid-19-vaccines-leave-people-more-vulnerable-aids-virus

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Source: Wikipedia
History of Moderna.