Answering questions about the COVID vaccines

Correction: At one point in the video, I say “natural immunity to the vaccine” instead of “natural immunity from COVID.” Whoops.

Thanks to everyone who sent questions! Here are the links to the pages in the video:

1. Pfizer was approved by the FDA on August 23, 2021 – https://www.fda.gov/emergency-preparedness-and-response/coronavirus-disease-2019-covid-19/comirnaty-and-pfizer-biontech-covid-19-vaccine

2. Moderna is authorized for emergency use – https://www.fda.gov/emergency-preparedness-and-response/coronavirus-disease-2019-covid-19/moderna-covid-19-vaccine

3. So is J+J – https://www.fda.gov/emergency-preparedness-and-response/coronavirus-disease-2019-covid-19/janssen-covid-19-vaccine

4. Pfizer, Modera, J+J, and AstraZeneca are approved by Health Canada – https://www.canada.ca/en/health-canada/services/drugs-health-products/covid19-industry/drugs-vaccines-treatments/vaccines.html

5. How accelerated testing works – https://coronavirus.jhu.edu/vaccines/timeline

6. Pfizer Phase I clinical trials started in April 2020 – https://clinicaltrials.gov/ct2/show/NCT04368728

7. …same with Moderna – https://www.nih.gov/news-events/news-releases/nih-clinical-trial-investigational-vaccine-covid-19-begins

8. AstraZeneca Phase I trials started in August 2020 – https://www.nih.gov/news-events/news-releases/nih-clinical-trial-investigational-vaccine-covid-19-begins

9. J+J Phase I trials started July 2020 – https://www.nih.gov/news-events/news-releases/nih-clinical-trial-investigational-vaccine-covid-19-begins

10. Pfizer vaccine ingredients – https://www.canada.ca/en/health-canada/services/drugs-health-products/covid19-industry/drugs-vaccines-treatments/vaccines/pfizer-biontech.html

11. Moderna ingredients – https://www.canada.ca/en/health-canada/services/drugs-health-products/covid19-industry/drugs-vaccines-treatments/vaccines/moderna.html

12. AstraZeneca ingredients – https://www.canada.ca/en/health-canada/services/drugs-health-products/covid19-industry/drugs-vaccines-treatments/vaccines/astrazeneca.html

13. J+J ingredients – https://www.canada.ca/en/health-canada/services/drugs-health-products/covid19-industry/drugs-vaccines-treatments/vaccines/janssen.html

14. Johns Hopkins COVID dashboard – https://coronavirus.jhu.edu/map.html

15. Natural immunity can last around eight months (I said “to the vaccine,” but I meant “to COVID”) – https://www.nih.gov/news-events/nih-research-matters/lasting-immunity-found-after-recovery-covid-19

16. You’re less likely to catch COVID a second time if you get vaccinated after the first – https://www.cdc.gov/mmwr/volumes/70/wr/mm7032e1.htm

17. You get a boosted immune response if you get vaccinated after having COVID – https://www.science.org/doi/10.1126/science.abg9175