COVID-19: COVID -19 Vaccines

This guide was created by Toronto Public Health (TPH) Library to link TPH staff to a selective list of online resources on the Novel Coronavirus (2019-nCoV or SARS-CoV-2) which causes COVID-19. We are grateful for our public health library colleagues across Ontario (i.e. Ontario Public Health Library Association members) who communicate regularly throughout the pandemic and share topics and resources of interest which were added to this guide.  

• Some links in this guide are from other jurisdictions. If in doubt, always follow the guidance received from your local health officials (TPH COVID or Ontario COVID information).
• As of February 11, 2020 this guide will be updated to reflect the new disease name (COVID-19)  but readers may notice that the previous name/s in earlier publications.
• Disclaimer:  This guide is for informational purposes only. Please follow the advice of your local public health officials. 
• The guide will be updated Monday - Friday.
• For comprehensive searches, research questions, or comments on the guide please email TPH library. 

American Sign Language Resources 

Factsheets

FAQs

How to locate reliable Vaccine Information 

How Vaccines are Developed 

How Vaccines Work against COVID-19 

Johnson & Johnson Vaccine (approved by Health Canada) NEW!

Moderna Vaccine (approved by Health Canada)

Oxford Astra Zeneca Vaccine (approved by Health Canada)

Pfizer Vaccine (approved by Health Canada)

Recommendations 

Science behind COVID-19 (Moderna mRNA) Vaccine

Spacing between Doses 

Vaccine Comparative Analysis

Vaccine Information for Pregnancy or Lactation 

Vaccine Information in Various Languages

Vaccine Receptivity or Hesitancy (Vaccine Confidence)

Vaccine Hesitancy and People of Colour 

Vaccine Risks or Adverse Events Following Immunization (AEFI) 

Vaccines and First Nations/Indigenous Populations 

Other Vaccine Clinical Trials (published studies) 

 

ASL Translation: COVID-19 Vaccines [Video - TPH]

ASL Translation: About COVID-19 [Video - TPH]

ASL Translation: Mental Health Support during COVID-19 [Video - TPH]

• COVID-19 Vaccine Fact Sheet [Toronto Public Health] 
• COVID-19 About Vaccines  (includes FAQs) [Ontario Ministry of Health] 
• Moderna Vaccine Consumer Information [Health Canada] 
• Pfizer Vaccine Consumer Information [Health Canada] 
• What you should know about the COVID-19 vaccines (Jan. 29, 2021) [Ontario Ministry of Health] 

• FAQ about COVID-19 Vaccination [Immunize BC] 
• Frequently Asked Questions about COVID-19 Vaccination [CDC]
• Vaccine FAQs(For Clinicians) [New England Journal of Medicine]
• COVID-19 Vaccine Questions and Answers for Healthcare Providers [CanVax] 
• Q&A Video embedded below: Dr. Fauci Debunks COVID Vaccine Conspiracy Theories [Dr Fauci and The Try Guys] below:

Source: https://www.scripps.edu/covid-19/science-simplified/how-vaccines-work-against-COVID-19/index.html 

Note: The Johnson & Johnson vaccine is also named Janssen COVID-19 vaccine or Ad26.COV2.S recombinant or Ad26.COV2.S or JNJ-78436735 or Ad26COVS1 (in published studies or clinical trials). 

• Janssen COVID-19 vaccine: What you should know [Public Health Agency of Canada] 
  • About the Janssen COVID-19 vaccine
    • Ingredients
  • How it works
  • How it’s given
  • Possible side effects
  • Product Monograph

Clinical Trial

• A Study of Ad26.COV2.S for the Prevention of SARS-CoV-2-Mediated COVID-19 in Adult Participants (ENSEMBLE) [ClinicalTrials.gov] New! 

Note: The Moderna vaccine is known as mRNA-1273 (in published studies and clinical trials). 

• Moderna COVID-19 vaccine: What you should know [Public Health Agency of Canada] 
  • About the Moderna COVID-19 vaccine
    • Ingredients
  • How it works
  • How it’s given
  • Possible side effects
  • Vaccine safety after authorization
• The Moderna COVID-19 (mRNA-1273) vaccine: what you need to know [WHO]
• (US) FDA Media Call for Moderna Vaccine Emergency Use Authorization.
• Recording from meeting of FDA's its Vaccines and Related Biological Products Advisory Committee (VRBPAC) on Dec. 17, 2020 to discuss the request for emergency use authorization (EUA) of a COVID-19 vaccine from Moderna. [Video embeded below]

• Note: Oxford Astra-Zeneca vaccine is also known as ChAdOx1 nCoV-19 vaccine or (ChAdOx1-S [recombinant]) or AZD1222.
• About the AstraZeneca COVID-19 vaccine
  • Ingredients
  • How it works
  • How it’s given
  • Possible side effects
  • Product Monograph
  • Vaccine safety after authorization
  • AstraZeneca vaccine regulatory authorization information 
  • Regulatory Decision Summary
• Voysey M, et al. Oxford COVID Vaccine Trial Group. Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK. Lancet. 2021 Jan 9;397(10269):99-111. doi: 10.1016/S0140-6736(20)32661-1. Epub 2020 Dec 8. Erratum in: Lancet. 2021 Jan 9;397(10269):98. PMID: 33306989; PMCID: PMC7723445.

• Clinical Studies: 
  • NCT04324606, 
  • NCT04400838, and 
  • NCT04444674.
• Comments to this article in:
  • Ledford H. Oxford COVID-vaccine paper highlights lingering unknowns about results.Nature. 2020 Dec;588(7838):378-379. doi: 10.1038/d41586-020-03504-w.PMID: 33293710 No abstract available.
  • Knoll MD,Wonodi C. Oxford-AstraZeneca COVID-19 vaccine efficacy.Lancet. 2021 Jan 9;397(10269):72-74. doi: 10.1016/S0140-6736(20)32623-4. Epub 2020 Dec 8.PMID: 33306990 No abstract available.

• Ramasamy MN, et al. Oxford COVID Vaccine Trial Group. Safety and immunogenicity of ChAdOx1 nCoV-19 vaccine administered in a prime-boost regimen in young and old adults (COV002): a single-blind, randomised, controlled, phase 2/3 trial. Lancet. 2021 Dec 19;396(10267):1979-1993. https://doi.org/10.1016/S0140-6736(20)32466-1 . Epub 2020 Nov 19. Erratum in: Lancet. 2021 Dec 19;396(10267):1978. PMID: 33220855; PMCID: PMC7674972.

 

Note: Pfizer-BioNTech's vaccine is known as known as BNT162b29, the generic name tozinameran or the brand name Comirnaty. 

• How to Pfizer Vaccine works [New York Times]
• Pfizer-BioNTech COVID-19 vaccine: What you should know [Public Health Agency of Canada] 
• Pfizer-BioNTech COVID-19 Vaccine (tozinameran) Product Details  New!
• ​Pfizer-BioNTech vaccine ingredients [Health Canada] 
• Pfizer-BioNTech COVID-19 vaccine: Health Canada recommendations for people with serious allergies [Health Canada] 
• Authorization of Pfizer-BioNTech COVID-19 Vaccine with English-only Carton and Vial Labels 
• Pfizer's Phase 1/2/3 Clinical Trial 
  • Also see Pfizer's Protocol for Phase 1/2/3 Clinical Trial [Pfizer] New!
• Polack FP, Thomas SJ, Kitchin N, et al., C4591001 Clinical Trial Group. Safety and efficacy of the BNT162b2 mRNA covid-19 vaccine. N Engl J Med2020;383:2603-15. doi:10.1056/NEJMoa2034577. pmid:33301246 
• Walsh EE, et al. Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine Candidates. N Engl J Med. 2020 Dec 17;383(25):2439-2450. doi: 10.1056/NEJMoa2027906. Epub 2020 Oct 14.
• https://pubmed.ncbi.nlm.nih.gov/33053279/ 
• Mulligan MJ, et al. Phase I/II study of COVID-19 RNA vaccine BNT162b1 in adults. Nature. 2020 Oct;586(7830):589-593. doi: 10.1038/s41586-020-2639-4. Epub 2020 Aug 12. Erratum in: Nature. 2021 Jan 19.
• U.S. Food & Drug Administration. Emergency Use Authorization for Pfizer Vaccine. 
  • See video recording below from meeting of FDA's its Vaccines and Related Biological Products Advisory Committee (VRBPAC) on Dec. 10, 2020 to discuss the request for emergency use authorization (EUA) of a COVID-19 vaccine from Pfizer, Inc. in partnership with BioNTech Manufacturing GmbH.

• Recommendations on the use of COVID-19 vaccines [PHAC] 
• Guidance on the Prioritization of Initial Doses of COVID-19 Vaccine(s) [NACI] 
• Oliver SE, Gargano JW, Marin M, Wallace M, Curran KG, Chamberland M, McClung N, Campos-Outcalt D, Morgan RL, Mbaeyi S, Romero JR, Talbot HK, Lee GM, Bell BP, Dooling K. The Advisory Committee on Immunization Practices' Interim Recommendation for Use of Pfizer-BioNTech COVID-19 Vaccine - United States, December 2020. MMWR Morb Mortal Wkly Rep. 2020 Dec 18;69(50):1922-1924. doi: 10.15585/mmwr.mm6950e2. PMID: 33332292; PMCID: PMC7745957. Also see Erratum.

Source: Speaking of Science (podcast)

• Barnabas, R. V. & Wald, A. A Public Health COVID-19 Vaccination Strategy to Maximize the Health Gains for Every Single Vaccine Dose. https://doi.org/10.7326/M20-8060 [PDF link]
• COMIRNATY Product Information as approved by the CHMP on 8 January 2021, pending endorsement by the European Commission [European Medicines Agency]
  • Comirnaty is the brand name for the Pfizer vaccine. See p. 8 for reference to 19-42 day interval between dose 1-2 of Pfizer vaccine 
• COVID-19 Vaccine Dosing Schedule - what is the Evidence? [BC Medical Journal] 
• Iacobucci, G. & Mahase, E. (2021) Covid-19 vaccination: What’s the evidence for extending the dosing interval?. BMJ, n18. doi: https://doi.org/10.1136/bmj.n18 
• Kadire, S.R., Wachter, R.M. & Lurie, N. [Clinical Decision] Delayed Second Dose versus Standard Regimen for Covid-19 Vaccination. NEJM
  • This interactive "Clinical Decision" presents health professionals with a scenario where they must recommend either administering the second dose of COVID-19 vaccine according to the standard schedule or delay the second dose.  The two essays recommend a different approach. 
• Mahase E. Covid-19: Assess the effects of extending Pfizer vaccine dosing interval, expert urges. BMJ. 2021 Jan 19;372:n162. doi: 10.1136/bmj.n162. PMID: 33468515.
• Public Health Statement on Deferral of Second Dose COVID-19 Vaccine in BC [BC CDC]
• Tuite, A. R. et al. (2021) Alternative Dose Allocation Strategies to Increase Benefits From Constrained COVID-19 Vaccine Supply. Annals of Internal Medicine. https://doi.org/10.7326/M20-8137 [PDF link]

This information was compiled for a specific request. It was last updated January 2021. If you require updated information please email hlibrary@toronto.ca.

City of Toronto

Note: The Black Scientists’ Task Force, in conjunction with several community organizations, including the Black Health Alliance (BHA); the Canadian Multicultural Inventors Museum and Harriet Tubman Institute; Women’s Health in Women’s Hands, and TAIBU co-hosted a series of free virtual town hall meetings for Toronto’s Black communities during Black History Month and into March. These recordings are available for viewing:

• The Historical and Contemporary Issues of Trustworthiness vis a vis Vaccines and Medical Science that give Black People Cause for Concern [link to recording on Facebook]   New!

• How do Vaccines work? [link to Zoom recording]   New!
• Misinformation and conspiracy theories  [link to Zoom recording]   New!
• Mental health problems and consequences of COVID-19 [link to Zoom recording]   New!
• Black health professional risks and resiliencies [link to Zoom recording]   New!

Canada: COVID 19 Impact and People of Colour

• Black Ottawans hit hardest by COVID-19, race-based data suggests Nov. 24, 2020 [CBC] 
• COVID-19 and the Social Determinants of Health: Race and Occupation. [Region of Peel - Public Health] 
• COVID-19 in Ontario - A Focus on Diversity: January 15, 2020 to May 14, 2020 Toronto, ON [Public Health Ontario]  
• COVID-19 mortality rates in Canada’s ethno-cultural neighbourhoods [Statistics Canada] 
• Dr. Upton Allen from SickKids leads team assessing COVID-19 prevalence, risk factors among Black Canadian communities [Sick Kids]
• London mayor's comments on higher COVID-19 cases among racialized groups clash with experts [CBC]
• Nearly 80% of COVID-19 cases in Toronto were among racialized groups in November [CTV News]
• Racial discrimination could exacerbate COVID-19 for African Nova Scotians: advocates [CBC]
• Study aims to understand impact of COVID-19 on Nova Scotia's Black communities [CBC]
• We started the South Asian COVID Task Force because Ontario failed to address inequities.  [Commentary in The Star]

Canada: Vaccine Hesitancy  

• Racialized Canadians have some of the highest rates of COVID-19 infections in the country. Who can allay their doubts about taking the vaccine?
• Vaccine myths running rampant online among all age groups, Ontario doctors say [Globe and Mail]
• 1st African Nova Scotian to get 2 doses of COVID-19 vaccine had to overcome her fears [CBC]
• To address vaccine hesitancy among Black & Indigenous Canadians, the government must act on racism in healthcare, Jan. 26, 20201 [Queens University Journal]
• Creating transparency on COVID-19 vaccine in South Asian Community [OMNI TV in Punjabi/Hindi]
• Ontario’s Covid-19 task force busts myths about the vaccine in South Asian communities [OMNI TV]

International

• Vaccine hesitancy amongst UK’s South Asian diaspora a worry [Times of India]
• Coronavirus vaccine Q&A in five South Asian languages [BBC News]
• WhatsApp rumours fear over BAME Covid vaccine take up Dec. 16. 2020 [BBC News]
• Iacobucci, G. Covid:19: Ethnic minority health staff are less likely to take up vaccine, early data show. BMJ 2021; 372:n460 doi: https://doi.org/10.1136/bmj.n460  New!
• Martin CA, Marshall C, Patel P, et al. Association of demographic and occupational factors with SARS-CoV-2 vaccine uptake in a multi-ethnic UK healthcare workforce: a rapid real world analysis. MedRxiv [preprint]. 2021. https://www.medrxiv.org/content/10.1101/2021.02.11.21251548v2 New!

United States

• Kaiser Family Foundation COVID-19 Vaccine Monitor
• Kaiser Family Foundation /The Undefeated Survey on Race and Health Oct 13, 2020

Includes reference to:

• Topline & Methodology
• Report
• Infographic - 13 Key Findings
• Infographic - The Racial Divide

• Half of Black adults say they won’t take a coronavirus vaccine  [Undefeated]
• More African Americans say they’ll take the coronavirus vaccine, new survey finds [Undefeated] 
• President of Morehouse School of Medicine has life-and-death message for Black people about the coronavirus vaccine [Undefeated, December 7, 2020]
• Fueled by a History of Mistreatment, Black Americans Distrust the New COVID-19 Vaccines [Time]

Includes reference to:

• COVID-19 Deaths by Race/Ethnicity  [Kaiser Family Foundation]

 

How are Vaccines Developed? [WHO]

• Click above and look for translations in: Arabic, French, Portuguese, Russian, Spanish, or simplified Chinese

How do vaccines work? [WHO]

• Available in: Arabic, French, Portuguese, Russian, Spanish, or simplified Chinese

The Different Types of COVID-19 Vaccines [WHO]

• Available in: Arabic, French, Portuguese, Russian, Spanish, or simplified Chinese

Manufacturing, Safety and Quality Control of Vaccines [WHO]

• Click above and look for translations in: Arabic, French, Portuguese, Russian, Spanish, or simplified Chinese

Country Readiness for COVID-19 Vaccines [WHO]

• Available in: Arabic, French, Portuguese, Russian, Spanish, or simplified Chinese

Fair and Equitable Access and Allocation of Vaccines [WHO]

• Click above and look for translations in: Arabic, French, Portuguese, Russian, Spanish, or simplified Chinese

This information was compiled for a specific request. It was last updated January 2021. If you require updated information please email hlibrary@toronto.ca.

Grey Literature

• Evergreen Rapid Review on COVID-19 Vaccine Knowledge, Attitudes, and Behaviors, Update 3 [PHAC, Feb. 22 2021]    New!
• Best practices for addressing vaccine hesitancy Feb. 6, 2020 [Canada Communicable Disease Report]
• Gates A, Gates M, Rahman S, Guitard S, MacGregor T, Pillay J, Ismail SJ, Tunis MC, Young K, Hardy K, Featherstone R, Hartling L. A systematic review of factors that influence the acceptability of vaccines among Canadians. Vaccine. 2021 Jan 8;39(2):222-236. doi: 10.1016/j.vaccine.2020.10.038. Epub 2020 Nov 27. PMID: 33257103. 
• Harrison EA, Wu JW. Vaccine confidence in the time of COVID-19. Eur J Epidemiol. 2020 Apr;35(4):325-330. doi: 10.1007/s10654-020-00634-3. Epub 2020 Apr 22. PMID: 32318915; PMCID: PMC7174145.
• Laine, C. Cotton, D. Moyer, D.V. COVID-19 Vaccine: Promoting Vaccine Acceptance. Annals of Internal Medicine. https://doi.org/10.7326/M20-8008 [PDF link]
• Lin C, Tu P, Beitsch LM. Confidence and Receptivity for COVID-19 Vaccines: A Rapid Systematic Review. Vaccines (Basel). 2020 Dec 30;9(1):E16. doi: 10.3390/vaccines9010016. PMID: 33396832. 
• Royal Society for Public Health. New poll finds BAME groups less likely to want COVID vaccine. 16 Dec 2020. 

Polls & News Reports in Canada (Aug. 1 2020 - Jan. 29, 2021)

• Canadians’ willingness to get a COVID-19 vaccine: Group differences and reasons for vaccine hesitancy Aug 25, 2020 [Statistics Canada] 

• Canadians’ willingness to get a COVID-19 vaccine when one becomes available: What role does trust play? July 7 2020 [Statistics Canada] 

• Vacillate or Vaccinate? Fewer than half of Canadians say they’d get a COVID-19 inoculation as soon as possible October 2, 2020 [Angus Reid] 
  • results by demographics 
  • questionnaire 

• full report
• detailed data tables from Angus Reid

• Pfizer, Moderna & Meh: Highly effective COVID-19 vaccines don’t impact Canadian desire for immunization November 20, 2020 [Angus Reid]
  • results by demographics click here.
  • full report, click here.
  • questionnaire, click here.

• Lazarus, J.V., Ratzan, S.C., Palayew, A. et al. A global survey of potential acceptance of a COVID-19 vaccine. Nat Med (2020).
  • Countries included:  Brazil, Canada, China, Ecuador, France, Germany, India, Italy, Mexico, Nigeria, Poland, Russia, Singapore, South Africa, South Korea, Spain, Sweden, the United Kingdom and the United States

• Canadian health officials take different tack to vaccinate wary care home workers January 21, 2021 [Reuters]
  • Cites the Statistics Canada survey: " Statistics Canada found in a spring survey that 52% of immigrants were very likely to get vaccinated, compared with 59.4% of people born in Canada."

• COMMENTARY: Coronavirus vaccines and the mismatch between Canada’s expectations and reality January 19, 2021 [Global News]
• A coronavirus vaccine is almost ready. But will you take it? Nov. 7, 2020 (updated Nov. 9 2020) [Global News] 

• Program that convinces new parents to vaccinate kids could work for COVID-19 shots, too, experts say Dec 19, 2020 

• Also see White Coat Black Art episode embedded on this page: "The Vaccine Whisperer: How a Quebec program is convincing vaccine hesitant parents to immunize their newborns, and what it could mean for COVID-19"

• Despite Increase in COVID-19 Cases this Fall, Canadians Continue to Pull Away From Idea of Mandatory Vaccination Nov 28 2020 [IPSOS] 

• Attitudes to COVID-19 vaccines Jan 25, 2021 [IPSOS] 

Grey Literature

• COVID-19 information in Indigenous Languages [UHN] 
• COVID-19 vaccines and Indigenous peoples [Statistics Canada] 

• What you need to know about the COVID-19 Vaccine [First Nations Health Authority] 

Grey Literature

• Living Evidence - COVID 19 Vaccines [New South Wales (AU) COVID-19 Critical Intelligence Unit] New!
• Evidence check - Emerging evidence about COVID-19 vaccines (PDF) [New South Wales (AU) COVID-19 Critical Intelligence Unit] New!
• Pfizer and Moderna Vaccine Comparison [Association or State and Territorial Health Officials]

Published Articles

• Naji, H. (2021). Comparative Analysis of COVID-19 Vaccines. European Journal of Medical and Health Sciences, 3(1), 118-120. https://doi.org/10.24018/ejmed.2021.3.1.642

Grey Literature

• Breastfeeding and COVID-19 [Canadian Paediatric Society, Fetus and Newborn Committee] 
• Considerations for COVID-19 vaccination in lactation. Chicago: Academy of Breastfeeding Medicine; 2020. 
• Recommendations on the use of COVID-19 vaccines. [National Advisory Committee on Immunization]  
• Society for Maternal–Fetal Medicine (SMFM) statement: SARS-CoV-2 vaccination in pregnancy. [Society for Maternal Fetal Medicine] 
• SOGC statement on COVID-19 vaccination in pregnancy. [The Society of Obstetricians and Gynaecologists of Canada] 
• Vaccinating pregnant and lactating patients against COVID-19. [American College of Obstetricians and Gynecologists] Grey Literature

Published Articles

• Centeno-Tablante E, Medina-Rivera M, Finkelstein JL, Rayco-Solon P, Garcia-Casal MN, Rogers L, Ghezzi-Kopel K, Ridwan P, Peña-Rosas JP, Mehta S. Transmission of SARS-CoV-2 through breast milk and breastfeeding: a living systematic review. Ann N Y Acad Sci. 2021 Jan;1484(1):32-54. doi: 10.1111/nyas.14477. Epub 2020 Aug 28. PMID: 32860259. [PDF link]
• Groß R, Conzelmann C, Müller JA, et al. Detection of SARS-CoV-2 in human breastmilk. Lancet 2020:S0140-6736(20)31181-8. DOI: 10.1016/S0140-6736(20)31181-8.

• Liu W, Wang J, Li W, et al. Clinical characteristics of 19 neonates born to mothers with COVID-19. Front Med 2020;14:193–198.

• Miguel Ángel Marín Gabriel, Ana María Malalana Martínez, María Eugenia Marín Martínez, and Jorge Anel Pedroche. Negative Transmission of SARS-CoV-2 to Hand-Expressed Colostrum from SARS-CoV-2–Positive Mothers. Breastfeeding Medicine.Aug 2020.492-494.http://doi.org/10.1089/bfm.2020.0183
• Yang N, Che S,Zhang J, et al. Breastfeeding of infants born to mothers with COVID-19: a rapid review. Annals of Translational Medicine. 

  2020 May;8(10):618. doi: 10.21037/atm-20-3299. 

• Zipursky, J.S., Greenberg, R. A., Maxwell , C. & Bogler, T.  Pregnancy, breastfeeding and the SARS-CoV-2 vaccine: an ethics-based framework for shared decision-making CMAJ 2021. doi: 10.1503/cmaj.202833; early-released January 27, 2021 

Grey Literature

• Adverse Event Following Immunization Reporting for Health Care Providers in Ontario [Public Health Ontario] 
• Weekly summary: adverse events following immunization (AEFIs) for COVID-19 in Ontario [Public Health Ontario] 

Published Articles

• Banerji A, Wickner PG, Saff R, Stone CA Jr, Robinson LB, Long AA, Wolfson AR, Williams P, Khan DA, Phillips E, Blumenthal KG. mRNA Vaccines to Prevent COVID-19 Disease and Reported Allergic Reactions: Current Evidence and Suggested Approach. J Allergy Clin Immunol Pract. 2020 Dec 31:S2213-2198(20)31411-2. doi: 10.1016/j.jaip.2020.12.047.

• Caminati M, Guarnieri G, Senna G. Who Is Really at Risk for Anaphylaxis Due to COVID-19 Vaccine? Vaccines (Basel). 2021 Jan 11;9(1):38. doi: 10.3390/vaccines9010038. PMID: 33440794; PMCID: PMC7827676.

• CDC COVID-19 Response Team; Food and Drug Administration. Allergic Reactions Including Anaphylaxis After Receipt of the First Dose of Pfizer-BioNTech COVID-19 Vaccine - United States, December 14-23, 2020. MMWR Morb Mortal Wkly Rep. 2021 Jan 15;70(2):46-51. doi: 10.15585/mmwr.mm7002e1. PMID: 33444297; PMCID: PMC7808711. 
  • "During December 14–23, 2020, monitoring by the Vaccine Adverse Event Reporting System detected 21 cases of anaphylaxis after administration of a reported 1,893,360 first doses of the Pfizer-BioNTech COVID-19 vaccine (11.1 cases per million doses)"

Canadian Vaccination Evidence Resource and Exchange Centre (CANVax) is an online database of reliable vaccine information. CanVax is a member of the Vaccine Safety Net. 

The Vaccine Safety Net (VSN) is a global network of websites, established by the World Health Organization, that provides reliable information on vaccine safety. Look for this logo on a site to ensure it provides reliable Vaccine information.

You can search all VSN member websites from the Vaccine Safety Net website. 

The Shared Library Services Partnership COVID-19 page has reliable Vaccine Information. New!

 

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