PMID- 37896930 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20231030 IS - 2076-393X (Print) IS - 2076-393X (Electronic) IS - 2076-393X (Linking) VI - 11 IP - 10 DP - 2023 Sep 26 TI - Different Safety Pattern of an Inactivated SARS-CoV-2 Vaccine (CoronaVac((R))) According to Age Group in a Pediatric Population from 3 to 17 Years Old, in an Open-Label Study in Chile. LID - 10.3390/vaccines11101526 [doi] LID - 1526 AB - During the COVID-19 pandemic, the importance of vaccinating children against SARS-CoV-2 was rapidly established. This study describes the safety of CoronaVac((R)) in children and adolescents between 3- and 17-years-old in a multicenter study in Chile with two vaccine doses in a 4-week interval. For all participants, immediate adverse events (AEs), serious AEs (SAEs), and AEs of special interest (AESIs) were registered throughout the study. In the safety subgroup, AEs were recorded 28 days after each dose. COVID-19 surveillance was performed throughout the study. A total of 1139 individuals received the first and 1102 the second dose of CoronaVac((R)); 835 were in the safety subgroup. The first dose showed the highest number of AEs: up to 22.2% of participants reported any local and 17.1% systemic AE. AEs were more frequent in adolescents after the first dose, were transient, and mainly mild. Pain at the inoculation site was the most frequent AE for all ages. Fever was the most frequent systemic AE for 3-5 years old and headache in 6-17 years old. No SAEs or AESIs related to vaccination occurred. Most of the COVID-19 cases were mild and managed as outpatients. CoronaVac((R)) was safe and well tolerated in children and adolescents, with different safety patterns according to age. FAU - Le Corre, Nicole AU - Le Corre N AUID- ORCID: 0000-0002-9361-4049 AD - Departamento de Enfermedades Infecciosas e Inmunologia Pediatricas, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Abarca, Katia AU - Abarca K AD - Departamento de Enfermedades Infecciosas e Inmunologia Pediatricas, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Astudillo, Patricio AU - Astudillo P AUID- ORCID: 0000-0002-2600-630X AD - Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Potin, Marcela AU - Potin M AD - Departamento de Enfermedades Infecciosas e Inmunologia Pediatricas, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. AD - Clinica San Carlos de Apoquindo, Red de Salud UC Christus, Santiago 7610437, Chile. FAU - Lopez, Sofia AU - Lopez S AD - Clinica San Carlos de Apoquindo, Red de Salud UC Christus, Santiago 7610437, Chile. FAU - Goldsack, Macarena AU - Goldsack M AD - Departamento de Pediatria, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. AD - Centro Medico San Joaquin, Red de Salud UC Christus, Santiago 7820436, Chile. FAU - Valenzuela, Vania AU - Valenzuela V AD - Departamento de Medicina Familiar, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Schilling, Andrea AU - Schilling A AUID- ORCID: 0000-0002-8339-779X AD - Facultad de Medicina, Clinica Alemana Universidad del Desarrollo, Santiago 7610658, Chile. AD - Departamento de Pediatria, Clinica Alemana de Santiago, Santiago 7650568, Chile. FAU - Gaete, Victoria AU - Gaete V AD - Facultad de Medicina, Clinica Alemana Universidad del Desarrollo, Santiago 7610658, Chile. FAU - Rubio, Lilian AU - Rubio L AD - Departamento de Pediatria, Clinica Alemana de Santiago, Santiago 7650568, Chile. AD - Servicio de Neonatologia, Hospital Luis Tisne, Santiago 7910000, Chile. FAU - Calvo, Mario AU - Calvo M AD - Instituto de Pediatria, Universidad Austral de Chile, Valdivia 5110566, Chile. FAU - Twele, Loreto AU - Twele L AD - Hospital Puerto Montt, Puerto Montt 5507798, Chile. AD - Facultad de Medicina y Ciencia, Universidad San Sebastian, Puerto Montt 5501842, Chile. FAU - Gonzalez, Marcela AU - Gonzalez M AD - Hospital Dr. Gustavo Fricke, Vina Del Mar 2340000, Chile. AD - Departamento de Pediatria, Universidad de Valparaiso, Valparaiso 2361845, Chile. FAU - Fuentes, Daniela AU - Fuentes D AD - Departamento de Pediatria, Universidad de Valparaiso, Valparaiso 2361845, Chile. FAU - Gutierrez, Valentina AU - Gutierrez V AD - Departamento de Enfermedades Infecciosas e Inmunologia Pediatricas, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. AD - Unidad de Infectologia Pediatrica, Servicio de Pediatria, Complejo Asistencial Dr. Sotero del Rio, Santiago 8150215, Chile. FAU - Reyes, Felipe AU - Reyes F AD - Departamento de Enfermedades Infecciosas e Inmunologia Pediatricas, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. AD - Unidad de Infectologia Pediatrica, Servicio de Pediatria, Complejo Asistencial Dr. Sotero del Rio, Santiago 8150215, Chile. FAU - Tapia, Lorena I AU - Tapia LI AD - Departamento de Pediatria y Cirugia Infantil Norte, Hospital Roberto del Rio, Facultad de Medicina, Universidad de Chile, Santiago 8380418, Chile. AD - Programa de Virologia, Instituto de Ciencias Biomedicas, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile. FAU - Villena, Rodolfo AU - Villena R AD - Hospital Exequiel Gonzalez Cortes, Facultad de Medicina, Departamento de Pediatria y Cirugia Infantil Campus Sur, Universidad de Chile, Santiago 8900085, Chile. FAU - Retamal-Diaz, Angello AU - Retamal-Diaz A AD - Departamento de Biotecnologia, Facultad de Ciencias del Mar y de Recursos Biologicos, Universidad de Antofagasta, Antofagasta 1271155, Chile. AD - Hospital Clinico Universidad de Antofagasta, Universidad de Antofagasta, Antofagasta 1270001, Chile. AD - Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile. FAU - Cardenas, Antonio AU - Cardenas A AD - Hospital Clinico Universidad de Antofagasta, Universidad de Antofagasta, Antofagasta 1270001, Chile. AD - Departamento de Ciencias Medicas, Facultad de Medicina y Odontologia, Universidad de Antofagasta, Antofagasta 1271155, Chile. AD - Servicio de Pediatria, Hospital Regional de Antofagasta, Antofagasta 1240835, Chile. FAU - Alarcon-Bustamante, Eduardo AU - Alarcon-Bustamante E AUID- ORCID: 0000-0003-3121-483X AD - Faculty of Mathematics, Pontificia Universidad Catolica de Chile, Santiago 7820436, Chile. AD - Millennium Nucleus on Intergenerational Mobility: From Modelling to Policy (MOVI) [NCS2021072], Santiago 7820436, Chile. AD - Interdisciplinary Laboratory of Social Statistics, Facultad de Matematicas, Pontificia Universidad Catolica de Chile, Santiago 7820436, Chile. FAU - Meng, Xing AU - Meng X AD - Sinovac Biotech, Beijing 100085, China. FAU - Xin, Qianqian AU - Xin Q AD - Sinovac Biotech, Beijing 100085, China. FAU - Gonzalez-Aramundiz, Jose V AU - Gonzalez-Aramundiz JV AUID- ORCID: 0000-0001-7856-9211 AD - Departamento de Farmacia, Facultad de Quimica y de Farmacia, Pontificia Universidad Catolica de Chile, Santiago 7820436, Chile. FAU - Alvarez-Figueroa, Maria Javiera AU - Alvarez-Figueroa MJ AD - Departamento de Farmacia, Facultad de Quimica y de Farmacia, Pontificia Universidad Catolica de Chile, Santiago 7820436, Chile. FAU - Gonzalez, Pablo A AU - Gonzalez PA AUID- ORCID: 0000-0001-7709-6870 AD - Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile. AD - Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Bueno, Susan M AU - Bueno SM AUID- ORCID: 0000-0002-7551-8088 AD - Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile. AD - Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Soto, Jorge A AU - Soto JA AD - Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile. AD - Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. AD - Departamento de Ciencias Biologicas, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago 8370251, Chile. FAU - On Behalf Of The PedCoronaVac Cl Study Group AU - On Behalf Of The PedCoronaVac Cl Study Group FAU - Perret, Cecilia AU - Perret C AUID- ORCID: 0000-0002-1535-1204 AD - Departamento de Enfermedades Infecciosas e Inmunologia Pediatricas, Division de Pediatria, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. FAU - Kalergis, Alexis M AU - Kalergis AM AUID- ORCID: 0000-0001-7622-5263 AD - Millennium Institute on Immunology and Immunotherapy, Santiago 8331150, Chile. AD - Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. AD - Departamento de Endocrinologia, Facultad de Medicina, Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago 8330077, Chile. LA - eng GR - PRO-nCOV- 3002/Sinovac Biotech/ PT - Journal Article DEP - 20230926 PL - Switzerland TA - Vaccines (Basel) JT - Vaccines JID - 101629355 PMC - PMC10611329 OTO - NOTNLM OT - COVID-19 vaccines OT - CoronaVac(R) OT - SARS-CoV-2 OT - adolescents OT - children OT - inactivated virus vaccine OT - safety pattern COIS- All authors and coordinators of the PedCoronaVac03CL Study have no conflict of interest or commercial interests to disclose. EDAT- 2023/10/28 11:43 MHDA- 2023/10/28 11:44 PMCR- 2023/09/26 CRDT- 2023/10/28 01:30 PHST- 2023/06/06 00:00 [received] PHST- 2023/08/25 00:00 [revised] PHST- 2023/09/13 00:00 [accepted] PHST- 2023/10/28 11:44 [medline] PHST- 2023/10/28 11:43 [pubmed] PHST- 2023/10/28 01:30 [entrez] PHST- 2023/09/26 00:00 [pmc-release] AID - vaccines11101526 [pii] AID - vaccines-11-01526 [pii] AID - 10.3390/vaccines11101526 [doi] PST - epublish SO - Vaccines (Basel). 2023 Sep 26;11(10):1526. doi: 10.3390/vaccines11101526.