Kathryn M. Edwards - The Covid-19 Vaccine Guide

Copyright 2021 by Kathryn M. Edwards, MD, Walter A. Orenstein, MD, DSc (Hon), and David S. Stephens, MD

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Library of Congress Cataloging-in-Publication Data is available on file.

Cover design by Laura Klynstra

Image Credits:

Cover image 2021 Emory University, created by Satyen Tripathi, MA CMI

Figure 1 Orenstein WA, Ahmed R. Simply put: Vaccination saves lives. Proc. Natl. Acad. Sci. U.S.A. 2017;114(16):4031-4033 Copyright (2017) National Academy of Sciences

Figure 2 Provided by Destefano F, Immunization Safety Office, Centers for Disease Control and Prevention. Website: www.cdc.gov/vaccinesafety/iso.html.

Figures 3a & b From Georgia Department of Public Health. Website: https://dph.georgia.gov/covid-19-daily-status-report.

Figure 4 2021 Emory University, created by Michael Konomos

Figures 5a & b 2021 Emory University, created by Michael Konomos

Figure 6 2021 Emory University, created by Michael Konomos

Figure 7 Reprinted by permission from Macmillan Publishers Ltd: Nature. Callaway E. The race for coronavirus vaccines: a graphical guide. Nature 2020; 580:576. Copyright 2020. https://www.nature.com/.

Reproduced with permission from: Coronavirus disease 2019 (COVID-19): Vaccines to prevent SARS-CoV-2 infection. In: UpToDate, Post TW (Ed), UpToDate, Waltham, MA. (Accessed on 2/2/2021.) Copyright 2021 UpToDate, Inc. For more information visit www.uptodate.com.

Figure 8 Source: Institute for Health Metrics and Evaluation. Used with permission. All rights reserved.

Tables 1a & 1b Provided by Roush S, Centers for Disease Control and Prevention.

Table 2 From Centers for Disease Control and Prevention. Website: www.cdc.gov/vaccines/schedules/downloads/child/0-18yrs-child-combined-schedule.pdf.

Table 3 From Centers for Disease Control and Prevention. Website: www.cdc.gov/vaccines/covid-19/info-by-product/clinical-considerations.html.

Print ISBN: 978-1-5107-6722-5

Ebook ISBN: 978-1-5107-6762-1

Printed in the United States of America

Contents

CHAPTER 1
COVID-19 Introduction and Illness

CHAPTER 2
Introduction to Vaccines and Vaccinology

CHAPTER 3
COVID-19 Epidemiology, Virology, and Immunity

CHAPTER 4
Introduction to COVID-19 Vaccines

CHAPTER 5
COVID-19 Vaccine Safety

CHAPTER 6
COVID-19 Vaccines Efficacy and Effectiveness

CHAPTER 7
COVID-19 Vaccine Recommendations, Access, and Distribution

CHAPTER 8
Summary

APPENDIX
United States Emergency Use Authorization (EUA) Approved Vaccines

Dedication

T his book is dedicated to the thousands of volunteers from many diverse backgrounds who enrolled in COVID-19 vaccine clinical trials in 2020. These individuals, through a commitment to research and to public health, facilitated emergency use authorization of safe and effective COVID-19 vaccines by the United States FDA and other regulatory agencies in less than one year. The book is also dedicated to the individuals who conducted the critically important foundational work on viruses including coronaviruses and the vaccine platforms that have been adapted to fight this pandemic. Also, to the vaccine developers and manufacturers who responded within days to the call to develop and manufacture COVID-19 vaccines, and to the private and governmental funding agencies that invested billions of dollars in this effort. In addition, thanks to the frontline workers and clinical coordinators from academic medical centers and from clinical research organizations who day by day and night by night performed and documented these clinical trials amid a raging pandemic. These contributions often go unrecognized. Finally, to the people who are diligently working to assure vaccines are distributed, delivered, and administered to persons for whom they are recommended. Only vaccinations, not vaccines, can stop this pandemic.

We also dedicate this work to the millions of individuals infected, the lives lost, and the suffering and pain inflicted by this pandemic. These individuals have also contributed to our understanding of COVID-19 and the imperative to prevention. The hope as a global society is that we forever recognize and prepare for future pandemics.

Chapter 1

COVID-19 Introduction and Illness

W e live in a microbial world. In December 2019, the Wuhan Municipal Health Committee, Hubei province, China, identified an outbreak of rapidly progressive and sometimes fatal viral pneumonia found to be due to a novel coronavirus named S evere A cute R espiratory S yndrome Co rona V irus (SARS-CoV-2). Since then the virus and the associated disease it causes, Coronavirus Disease 2019 (COVID-19), have rapidly spread globally, resulting in an unprecedented pandemic, not seen since the influenza pandemic of 19181919. COVID-19, transmitted from one person to another by respiratory droplets containing a highly infectious virus, is an acute infectious disease with variable respiratory and systemic manifestations. Most individuals have asymptomatic disease or mild or moderate disease. However, individuals over 65 years old and those with underlying health problems such as obesity, lung disease, cancer, chronic hypertension and heart disease, diabetes, kidney disease, and other chronic medical conditions are at greater risk for severe disease. It also disproportionately affects populations of color. Progression to severe infection in the lungs leads to pneumonia and acute respiratory distress syndrome (ARDS), with subsequent failure of other organs and death. As of the end of February 2021, there were over 110 million confirmed cases of COVID-19 and approaching 2.5 million deaths worldwide with cases reported in every country and region around the world including Antarctica. However, this is the tip of the iceberg. A conservative estimate is that five times as many infections have occurred than the cases reported with the number of reported deaths also a significant underestimate.

As this pandemic emerged and spread in early 2020, there was no vaccine against SARS-CoV-2. The unprecedented global effort to develop, manufacture, and deploy vaccines to prevent this disease is a part of the story in this book. By the end of January 2021, 237 COVID-19 vaccines were in development, and 63 of these were in human clinical trials.

Currently, two COVID-19 vaccines made by Pfizer-BioNTech and Moderna have emergency use authorization (EUA) in the United States and Europe and one or both of these vaccines are being deployed in several other countries (the United Kingdom, Argentina, Chile, Bahrain, Canada, Saudi Arabia, Switzerland Singapore, and Israel). Other vaccines produced by Oxford-AstraZeneca and Johnson & Johnson (Janssen) have completed large-scale (phase 3) clinical trials, released efficacy results, and are authorized for use in several countries (the United Kingdom, Argentina, India, and Mexico); and one other manufacturer, Novavax, has completed (and released initial efficacy results) and is conducting additional phase 3 trials. The phase 3 vaccine studies have shown very high protection against death, hospitalization, and severe illness. In addition, COVID-19 vaccines have been developed and clinically tested in China (Sinopharm, Sinovac, CanSino), Russia (Gamaleya Research Institute, Vector Institute), and India (Bharat Biotech) and these are being deployed in several countries. This is a remarkable and unprecedented accomplishment of science and medicine to have vaccines available and in use less than one year from identification of the outbreak.