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Viewpoint
SARS-CoV-2 Vaccines and the Growing Threat of Viral Variants
John P. Moore, PhD; Paul A. Offit, MD
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JAMA Patient Page
Patient Information: Necessity of 2 Doses of the Pfizer and Moderna COVID-19 Vaccines
Edward H. Livingston, MD
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Medical News & Perspectives
The Challenge of Conducting Placebo-Controlled Trials as COVID-19 Vaccines Become Authorized
Rita Rubin, MA
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Viewpoint
The US Regulatory System and COVID-19 Vaccines
Joshua M. Sharfstein, MD; Jesse L. Goodman, MD, MPH; Luciana Borio, MD
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Viewpoint
Expanding COVID-19 Vaccination—Optimizing Use and Maximizing Efficacy
John P. Moore, PhD
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Research Letter
Antibody Titers After a Single Vaccine Dose in Health Care Workers Previously Infected With SARS-CoV-2
Saman Saadat, PhD; Zahra Rikhtegaran Tehrani, PhD; James Logue, BS; Michelle Newman, BSN; Matthew B. Frieman, PhD; Anthony D. Harris, MD; Mohammad M. Sajadi, MD
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Viewpoint
COVID-19 in 2021—Continuing Uncertainty
Carlos del Rio, MD; Preeti Malani, MD, MSJ
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Original Investigation
Immunogenicity of the Ad26.COV2.S COVID-19 Vaccine
Kathryn E. Stephenson, MD, MPH; Mathieu Le Gars, PhD; Jerald Sadoff, MD; Anne Marit de Groot, PhD; Dirk Heerwegh, PhD; Carla Truyers, PhD; Caroline Atyeo, BS; Carolin Loos, PhD; Abishek Chandrashekar, MS; Katherine McMahan, BS; Lisa H. Tostanoski, PhD; Jingyou Yu, PhD; Makda S. Gebre, MS; Catherine Jacob-Dolan, BS; Zhenfeng Li, MS; Shivani Patel, BA; Lauren Peter, BA; Jinyan Liu, PhD; Erica N. Borducchi, PhD; Joseph P. Nkolola, PhD; Morgana Souza, BA; Chen Sabrina Tan, MD; Rebecca Zash, MD; Boris Julg, MD, PhD; Ruvandhi R. Nathavitharana, MD, MPH; Roger L. Shapiro, MD; Ahmed Abdul Azim, MD; Carolyn D. Alonso, MD; Kate Jaegle, MSN; Jessica L. Ansel, MSN; Diane G. Kanjilal, BSN; Caitlin J. Guiney, MSN; Connor Bradshaw, BS; Anna Tyler, BS; Tatenda Makoni, BS; Katherine E. Yanosick, BS; Michael S. Seaman, PhD; Douglas A. Lauffenburger, PhD; Galit Alter, PhD; Frank Struyf, MD; Macaya Douoguih, MD; Johan Van Hoof, MD; Hanneke Schuitemaker, PhD; Dan H. Barouch, MD, PhD
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Research Letter
Acute Allergic Reactions to mRNA COVID-19 Vaccines
Kimberly G. Blumenthal, MD, MSc; Lacey B. Robinson, MD, MPH; Carlos A. Camargo Jr, MD, DrPH; Erica S. Shenoy, MD, PhD; Aleena Banerji, MD; Adam B. Landman, MD; Paige Wickner, MD, MPH
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Viewpoint
CDC Interim Recommendations for People Fully Vaccinated Against Coronavirus
Athalia Christie, MIA; Sarah A. Mbaeyi, MD; Rochelle P. Walensky, MD
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Viewpoint
Incentivizing Vaccination Uptake: The “Green Pass” Proposal in Israel
Rachel Wilf-Miron, MD, MPH; Vicki Myers, PhD; Mor Saban, PhD
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JAMA Patient Page
Patient Information: The Johnson & Johnson Vaccine for COVID-19
Edward H. Livingston, MD; Preeti N. Malani, MD, MSJ; C. Buddy Creech, MD, MPH
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Research Letter
Immunogenicity of a Single Dose of SARS-CoV-2 mRNA Vaccine in Solid Organ Transplant Recipients
Brian J. Boyarsky, MD; William A. Werbel, MD; Robin K. Avery, MD; Aaron A. R. Tobian, MD, PhD; Allan B. Massie, PhD; Dorry L. Segev, MD, PhD; Jacqueline M. Garonzik-Wang, MD, PhD
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Medical News & Perspectives
Experts Discuss COVID-19—Variants and Vaccine Efficacy, Immunosuppressed Patients, and More
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JAMA Insights
Adverse Reactions in the US to mRNA-Based Coronavirus Vaccines
Johanna Chapin-Bardales, PhD, MPH; Julianne Gee, MPH; Tanya Myers, PhD, MSc
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Viewpoint
Restoring Vaccine Diplomacy in the Global COVID-19 Pandemic
Peter J. Hotez, MD, PhD; K. M. Venkat Narayan, MD
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Research Letter
Asymptomatic and Symptomatic SARS-CoV-2 Infections After BNT162b2 Vaccination in a Routinely Screened Workforce
Li Tang, PhD; Diego R. Hijano, MD, MSc; Aditya H. Gaur, MD, MBBS; Terrence L. Geiger, MD, PhD; Ellis J. Neufeld, MD, PhD; James M. Hoffman, PharmD, MS; Randall T. Hayden, MD
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Original Investigation
Effect of 2 Inactivated SARS-CoV-2 Vaccines on Symptomatic COVID-19 Infection in Adults
Nawal Al Kaabi, MBBS; Yuntao Zhang, PhD; Shengli Xia, BSc; Yunkai Yang, MSc; Manaf M. Al Qahtani, MD; Najiba Abdulrazzaq, MBBS; Majed Al Nusair, MD; Mohamed Hassany, MD; Jaleela S. Jawad, MBBS; Jehad Abdalla, MBBS; Salah Eldin Hussein, MBBS; Shamma K. Al Mazrouei, MBBS; Maysoon Al Karam, MBBS; Xinguo Li, MSc; Xuqin Yang, MSc; Wei Wang, MSc; Bonan Lai, MSc; Wei Chen, MSc; Shihe Huang, PhD; Qian Wang, MSc; Tian Yang, BSc; Yang Liu, MSc; Rui Ma, MSc; Zaidoon M. Hussain, MD; Tehmina Khan, MD; Mohammed Saifuddin Fasihuddin, BSc; Wangyang You, BSc; Zhiqiang Xie, MSc; Yuxiu Zhao, MSc; Zhiwei Jiang, PhD; Guoqing Zhao, PhD; Yanbo Zhang, MSc; Sally Mahmoud, PhD; Islam ElTantawy, BSc; Peng Xiao, MSc; Ashish Koshy, MSc; Walid Abbas Zaher, PhD; Hui Wang, BSc; Kai Duan, PhD; An Pan, PhD; Xiaoming Yang, MD
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Viewpoint
One Year of COVID-19 Vaccines: A Shot of Hope, a Dose of Reality
Amanda C. Cohn, MD; Barbara E. Mahon, MD, MPH; Rochelle P. Walensky, MD, MPH
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JAMA Forum
The Public Can Trust the FDA’s Vaccine Review Process
Gail R. Wilensky, PhD; Brian J. Miller, MD, MBA, MPH