Results 11 to 20 of about 197,741 (365)

The importance of booster vaccination in the context of Omicron wave

Frontiers in Immunology, 2022
Omicron (B.1.1.529) was first detected in a sample collected in Botswana on November 11, 2021, and has rapidly replaced Delta as the dominant global variant given the robust transmissibility.
Zichun Wei, Jiarui He, Conghui Wang, Jiaqi Bao, Taiyang Leng, Fei Chen   +5 more
doaj   +1 more source

Heterologous versus homologous COVID-19 booster vaccination in previous recipients of two doses of CoronaVac COVID-19 vaccine in Brazil (RHH-001): a phase 4, non-inferiority, single blind, randomised study

The Lancet, 2022
Summary Introduction The inactivated whole-virion SARS-CoV-2 vaccine (CoronaVac, Sinovac) has been widely used in a two-dose schedule. We assessed whether a third dose of the homologous or a different vaccine could boost immune responses. Methods RHH-001
S. A. Costa Clemens, L. Weckx, R. Clemens, Ana Verena Almeida Mendes, Alessandra Ramos Souza, M. V. Silveira, S. F. D. da Guarda, Maristela Miyamoto de Nobrega, Maria Isabel de Moraes Pinto, Isabela G. S. Gonzalez, N. Salvador, M. M. Franco, Renata Navis de Avila Mendonça, Isabelle Silva Queiroz Oliveira, Bruno Solano de Freitas Souza, Mayara Fraga, P. Aley, S. Bibi, L. Cantrell, W. Dejnirattisai, Xinxue Liu, J. Mongkolsapaya, P. Supasa, G. Screaton, T. Lambe, M. Voysey, A. Pollard, Mustapha Danielle Sophie Holly Marta Helen Reece Sophie Zar Bittaye Woods Davies Smith Ulaszewska Sanders Mabe, M. Bittaye, D. Woods, Sophie Davies, H. Smith, M. Ulaszewska, H. Sanders, Reece Mabette, Sophie Vernon, Zara Valliji, G. Mead, C. Tejpal, Juyeon Park, Amy Beveridge, A.Ghaffar A. Eldawi, S. Felle, Mayara Fraga, Thaiane Muniz Martins, Claudia Loureiro Martins Medrado, Laiana Januse de Arruda Cordeiro Matos   +46 more
semanticscholar   +1 more source

Evolution of antibody profiles against SARS-CoV-2 in experienced and naïve vaccinated elderly people

Frontiers in Immunology, 2023
IntroductionThe third dose of the COVID-19 vaccine is especially necessary in people over 65 years of age due to their lower immune response.MethodsWe designed a multicentre, prospective observational study including 98 people ≤65 years old who lived in ...
Iván Sanz-Muñoz, Iván Sanz-Muñoz, Rosa López-Mongil, Javier Sánchez-Martínez, Javier Sánchez-Martínez, Laura Sánchez-de Prada, Marta Domínguez-Gil González, Marta Domínguez-Gil González, Diana Pérez-SanJose, Silvia Rojo-Rello, Silvia Rojo-Rello, Cristina Hernán-García, Cristina Hernán-García, Virginia Fernández-Espinilla, Virginia Fernández-Espinilla, Raúl Ortiz de Lejarazu-Leonardo, Javier Castrodeza-Sanz, Javier Castrodeza-Sanz, José María Eiros, José María Eiros, José María Eiros   +20 more
doaj   +1 more source

Neutralizing antibodies against the SARS-CoV-2 Delta and Omicron variants following heterologous CoronaVac plus BNT162b2 booster vaccination

Nature Medicine, 2022
The recent emergence of the SARS-CoV-2 Omicron variant is raising concerns because of its increased transmissibility and its numerous spike mutations, which have the potential to evade neutralizing antibodies elicited by COVID-19 vaccines.
E. Pérez-Then, C. Lucas, V. Monteiro, M. Mirić, V. Brache, L. Cochón, C. Vogels, A. Malik, Elena de la Cruz, A. Jorge, M. De los Santos, P. León, M. Breban, K. Billig, I. Yildirim, C. Pearson, R. Downing, E. Gagnon, A. Muyombwe, J. Razeq, M. Campbell, A. Ko, S. Omer, N. Grubaugh, S. Vermund, A. Iwasaki   +25 more
semanticscholar   +1 more source

Kinetics of dried blood spot-measured anti-SARS-CoV2 Spike IgG in mRNA-vaccinated healthcare workers

Frontiers in Microbiology, 2023
IntroductionOne of the major criticisms facing the research community during SARS-CoV2 pandemic was the lack of large-scale, longitudinal data on the efficacy of the SARS-CoV2 mRNA vaccines.
Lucrezia Puccini, Michela Fantini, Carlo Biagetti, Raffaella Angelini, Giorgio Dirani, Laura Grumiro, Pasqua Schiavone, Monica Sparacino, Simona Semprini, Vittorio Sambri, Vittorio Sambri, Monica Cricca, Monica Cricca   +12 more
doaj   +1 more source

Effectiveness of COVID-19 booster vaccines against COVID-19-related symptoms, hospitalization and death in England

Nature Medicine, 2022
Booster vaccination with messenger RNA (mRNA) vaccines has been offered to adults in England starting on 14 September 2021. We used a test-negative case–control design to estimate the relative effectiveness of a booster dose of BNT162b2 (Pfizer-BioNTech)
N. Andrews, J. Stowe, Freja C M Kirsebom, S. Toffa, R. Sachdeva, C. Gower, M. Ramsay, J. Lopez Bernal   +7 more
semanticscholar   +1 more source

Why Some People Are Hesitant to Receive COVID-19 Boosters: A Systematic Review

Tropical Medicine and Infectious Disease, 2023
As the COVID-19 pandemic continues and transitions to an endemic stage, booster vaccines will play an important role in personal and public health. However, convincing people to take boosters continues to be a key obstacle.
Yam B. Limbu, Bruce A. Huhmann
doaj   +1 more source

COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021

MMWR. Morbidity and mortality weekly report, 2022
Previous reports of COVID-19 case, hospitalization, and death rates by vaccination status† indicate that vaccine protection against infection, as well as serious COVID-19 illness for some groups, declined with the emergence of the B.1.617.2 (Delta ...
Amelia G. Johnson, A. Amin, Akilah R. Ali, B. Hoots, B. Cadwell, Shivani Arora, Tigran Avoundjian, Abiola O. Awofeso, J. Barnes, Nagla S. Bayoumi, Katherine Busen, Carolyn Chang, Michael J. Cima, M. Crockett, A. Cronquist, Sherri L. Davidson, Elizabeth M. Davis, Janelle Delgadillo, Vajeera Dorabawila, C. Drenzek, Leah Eisenstein, H. Fast, A. Gent, J. Hand, D. Hoefer, C. Holtzman, A. Jara, Amanda Jones, Ishrat Kamal-Ahmed, Sarah Kangas, Fnu Kanishka, Ramandeep Kaur, S. Khan, Justice King, Samuel Kirkendall, Anna Klioueva, A. Kocharian, Frances Y. Kwon, Jacqueline Logan, B. Lyons, S. Lyons, Andrea L. May, Donald McCormick, Erica Mendoza, Lauren Milroy, Allison O'Donnell, Melissa G. Pike, Sargis Pogosjans, A. Saupe, J. Sell, E. Smith, D. Sosin, Emma Stanislawski, M. Steele, Meagan Stephenson, A. Stout, Kyle Strand, Buddhi P. Tilakaratne, Kathryn A Turner, Hailey Vest, Sydni C. Warner, Caleb Wiedeman, Allison Zaldivar, B. Silk, Heather M. Scobie   +64 more
semanticscholar   +1 more source

Predicting COVID‐19 booster vaccine intentions [PDF]

, 2022
Achieving broad immunity through vaccination is a cornerstone strategy for long-term management of COVID-19 infections, particularly the prevention of serious cases and hospitalizations.
Kyra Hamilton, Martin S. Hagger, Hagger, Martin S, Hagger, Martin S., Hamilton, Kyra   +4 more
core   +1 more source

Assessing COVID-19 Vaccine Booster Hesitancy Using the Modified 5C Scale in Zhejiang Province, China: A Cross-Sectional Study

Vaccines, 2023
Following the rollout of a booster campaign to promote immunity against COVID-19 in China, this study aimed to assess booster hesitancy among adults who were fully vaccinated with primary doses across Zhejiang Province.
Xuan Deng, Yuchen Zhao, Shenyu Wang, Hanqing He, Zhiping Chen, Yang Zhou, Rui Yan, Xuewen Tang, Yao Zhu, Xiaoping Xu   +9 more
doaj   +1 more source