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Rossi AH, Ojeda DS, Varese A, Sanchez L, Gonzalez Lopez Ledesma MM, Mazzitelli I, Alvarez Juliá A, Oviedo Rouco S, Pallarés HM, Costa Navarro GS, Rasetto NB, Garcia CI, Wenker SD, Ramis LY, Bialer MG, de Leone MJ, Hernando CE, Sosa S, Bianchimano L, Rios AS, Treffinger Cienfuegos MS, Caramelo JJ, Longueira Y, Laufer N, Alvarez DE, Carradori J, Pedrozza D, Rima A, Echegoyen C, Ercole R, Gelpi P, Marchetti S, Zubieta M, Docena G, Kreplak N, Yanovsky M, Geffner J, Pifano M, Gamarnik AV. Sputnik V vaccine elicits seroconversion and neutralizing capacity to SARS-CoV-2 after a single dose. Cell Rep Med 2021; 2:100359. [PMID: 34308389 PMCID: PMC8266543 DOI: 10.1016/j.xcrm.2021.100359] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/22/2021] [Accepted: 07/05/2021] [Indexed: 10/28/2022]
Abstract
Massive vaccination offers great promise for halting the global COVID-19 pandemic. However, the limited supply and uneven vaccine distribution create an urgent need to optimize vaccination strategies. We evaluate SARS-CoV-2-specific antibody responses after Sputnik V vaccination of healthcare workers in Argentina, measuring IgG anti-spike titers and neutralizing capacity after one and two doses in a cohort of naive or previously infected volunteers. By 21 days after receiving the first dose of the vaccine, 94% of naive participants develop spike-specific IgG antibodies. A single Sputnik V dose elicits higher antibody levels and virus-neutralizing capacity in previously infected individuals than in naive ones receiving the full two-dose schedule. The high seroconversion rate after a single dose in naive participants suggests a benefit of delaying administration of the second dose to increase the number of people vaccinated. The data presented provide information for guiding public health decisions in light of the current global health emergency.
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Affiliation(s)
- Andres H Rossi
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Diego S Ojeda
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Augusto Varese
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS-CONICET), Buenos Aires, Argentina
| | - Lautaro Sanchez
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | | | - Ignacio Mazzitelli
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS-CONICET), Buenos Aires, Argentina
| | - Anabel Alvarez Juliá
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Santiago Oviedo Rouco
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Horacio M Pallarés
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | | | - Natali B Rasetto
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Corina I Garcia
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Shirley D Wenker
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Lila Y Ramis
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Magalí G Bialer
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Maria Jose de Leone
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - C Esteban Hernando
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Santiago Sosa
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Luciana Bianchimano
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Antonella S Rios
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | | | - Julio J Caramelo
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Yesica Longueira
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS-CONICET), Buenos Aires, Argentina.,Biobanco de Enfermedades Infecciosas (INBIRS-UBA-CONICET), Caba, Argentina
| | - Natalia Laufer
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS-CONICET), Buenos Aires, Argentina.,Biobanco de Enfermedades Infecciosas (INBIRS-UBA-CONICET), Caba, Argentina
| | - Diego E Alvarez
- Instituto de Investigaciones Biotecnológicas, Univ. Nacional de San Martín-CONICET, Buenos Aires, Argentina
| | | | - Dariana Pedrozza
- Hospital Interzonal General de Agudos Dr Pedro Fiorito, Provincia de Buenos Aires, Argentina
| | - Alejandra Rima
- Hospital Interzonal General de Agudos Evita, Provincia de Buenos Aires, Argentina
| | - Cecilia Echegoyen
- Hospital Interzonal General de Agudos Prof. Dr. Rodolfo Rossi, Provincia de Buenos Aires, Argentina
| | - Regina Ercole
- Hospital Interzonal Especializado de Agudos y Crónicos San Juan de Dios, Provincia de Buenos Aires, Argentina
| | - Paula Gelpi
- Hospital Interzonal General de Agudos San Roque, Provincia de Buenos Aires, Argentina
| | - Susana Marchetti
- Hospital Interzonal General de Agudos San Martín, Provincia de Buenos Aires, Argentina
| | - Martín Zubieta
- Hospital de Alta Complejidad El Cruce "Nestor Kirchner," Provincia de Buenos Aires, Argentina
| | - Guillermo Docena
- Instituto de Estudios Inmunológicos y Fisiopatológicos, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CONICET-CIC, La Plata, Argentina
| | | | - Marcelo Yanovsky
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
| | - Jorge Geffner
- Universidad de Buenos Aires, Facultad de Medicina, Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS-CONICET), Buenos Aires, Argentina
| | - Marina Pifano
- Ministerio de Salud de Provincia de Buenos Aires, Argentina
| | - Andrea V Gamarnik
- Fundación Instituto Leloir-CONICET, Avenida Patricias Argentinas 435, Buenos Aires, Argentina
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