Results 11 to 20 of about 163,031 (315)

Estimating Conditional Vaccine Effectiveness

SSRN Electronic Journal, 2022
Vaccine effectiveness for COVID-19 is typically estimated for different outcomes that often are hierarchical in severity (e.g. any documented infection, symptomatic infection, hospitalization, death) and subsets of each other. Conditional effectiveness for a more severe outcome conditional on a less severe outcome is the protection offered against the ...
openaire   +2 more sources

Human papillomavirus vaccine effectiveness by age at vaccination: A systematic review

Human Vaccines & Immunotherapeutics, 2023
Human papillomavirus (HPV) vaccines work by preventing infections prior to natural exposure. Thus, it is likely more effective at younger ages, and it is important to understand how effectiveness might be diminished when administered at older ages.
Mallory K. Ellingson, Hassan Sheikha, Kate Nyhan, Carlos R. Oliveira, Linda M. Niccolai   +4 more
doaj   +1 more source

Coverage and effectiveness of COVID-19 vaccines among people aged 60 years and above in Changning District of Shanghai

Shanghai yufang yixue, 2023
ObjectiveTo assess the coverage and effectiveness of COVID-19 vaccines in the elderly.MethodsThis study was conducted in Changning District of Shanghai， targeting people aged 60 years and above.
PANG Hong, HE Xiaoding, CHEN Jinyan, SHI Wei, JIN Bei, XUE Jing, ZHAO Wensui, JIANG Qingwu   +7 more
doaj   +1 more source

Effectiveness of COVID-19 vaccine in prevention of mortality among moderate-severe cases: Case control study

Medical Journal of Dr. D.Y. Patil Vidyapeeth, 2022
Introduction: The present study was conducted for vaccine effectiveness in the prevention of mortality among moderate to severe COVID-19 cases. Methods: The study was conducted in a dedicated COVID-19 hospital in Northern India from April 2021 to June ...
Arun Kumar Yadav, Kundan Vashisht, Subhodeep Ghosh, Saurabh Bobdey   +3 more
doaj   +1 more source

The association between vaccine hesitancy and pertussis: a systematic review and meta-analysis

Italian Journal of Pediatrics, 2023
Background Robust routine immunization schedules for pertussis-containing vaccines have been applied for years, but pertussis outbreaks remain a worldwide problem. This study aimed to investigate the association between vaccine hesitancy and pertussis in
Yuning Wang, Naiyang Shi, Qiang Wang, Liuqing Yang, Tingting Cui, Hui Jin   +5 more
doaj   +1 more source

Assessment of mumps-containing vaccine effectiveness by dose during 2006 to 2020 in Quzhou, China

Human Vaccines & Immunotherapeutics, 2022
Mumps cases were reported frequently when a routine dose measles–mumps–rubella(MMR) achieved high coverage in Quzhou. The supplementary immunization activities (SIA) using measles mumps (MM) was conducted to control mumps outbreaks.
Zhiying Yin, Tingcui Wen, Quanjun Fang, Canjie Zheng, Xiaoying Gong, Junji Li, Shuangqing Wang, Ziling Xiang   +7 more
doaj   +1 more source

National Near Real-Time Vaccine Effectiveness Against COVID-19 Severe Outcomes Using the Screening Method Among Older Adults Aged ≥50 Years in Canada

Vaccines
Background/Objectives: It is critical to monitor real-world COVID-19 vaccine effectiveness (VE) in older adults, as they have been identified as a priority group for vaccination.
Robert MacTavish, Andreea Slatculescu, Dylan Ermacora, Katarina Vukovojac, Tanner Noth, Natalie Ward, Kathleen Laskoski, Daniela Fleming, Baanu Manoharan, Julie Laroche, Aissatou Fall   +10 more
doaj   +1 more source

Effectiveness and failure rate of the varicella vaccine in an outbreak in Jiangsu, China: a 1:2 matched case-control study

Human Vaccines & Immunotherapeutics, 2020
Background: The varicella vaccine is not included in the national childhood immunization schedules in China, although one-dose varicella vaccine has been suggested for susceptible children aged 1–12 years in Jiangsu Province. However, varicella epidemics
Yong Wang, Lei Zhang, Xiang Sun, Yang Cao, Zhiguo Wang, Li Liu, Yan Xu, Minghao Zhou, Yuanbao Liu   +8 more
doaj   +1 more source

Factors associated with COVID-19 non-vaccination among children and adolescents with chronic health conditions in Canada: A national cross-sectional study

Vaccine: X
Background: COVID-19 vaccine rollout has prioritized high risk populations, including children with chronic health conditions (CHC), who are at greater risk of severe illness and hospitalization if infected.
Arlanna Pugh, Sailly Dave, Marwa Ebrahim, Julie A. Laroche   +3 more
doaj   +1 more source

Effectiveness of BNT162b2 Vaccine against Omicron Variant Infection among Children 5–11 Years of Age, Israel

Emerging Infectious Diseases, 2023
We assessed effectiveness of the BNT162b2 vaccine against infection with the B.1.1.529 (Omicron) variant (mostly BA.1 subvariant), among children 5–11 years of age in Israel.
Aharona Glatman-Freedman, Yael Hershkovitz, Rita Dichtiar, Alina Rosenberg, Lital Keinan-Boker, Michal Bromberg   +5 more
doaj   +1 more source