Results 31 to 40 of about 159,740 (164)

Vaccine Effectiveness Studies in the Field [PDF]

New England Journal of Medicine, 2021
The original trials of vaccines against infection with severe acute respiratory disease coronavirus 2 (SARS-CoV-2), the virus that causes coronavirus disease 2019 (Covid-19), have clearly shown vac...
Evans, Stephen JW, Jewell, Nicholas P
openaire   +2 more sources

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

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 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

Determinants of influenza non-vaccination among Canadian children: insights from a nationwide survey

Frontiers in Public Health
BackgroundTo identify determinants influencing Canadian parents’ decision not to vaccinate their children aged 6 months to 17 years against seasonal influenza.MethodsData from the 2022 Childhood COVID-19 Immunization Coverage Survey, a national survey of
Abdallah Alami, Sailly Dave, Caren Uhlik, Marwa Ebrahim, Daniel Krewski, Julie Laroche   +5 more
doaj   +1 more source

Determinants of incomplete vaccination against polio by 2 years of age in Canada: A cross-sectional study using the Childhood National Immunization Coverage Survey (CNICS)

Vaccine: X
Background: Canada has not reached the national vaccination coverage goal of 95 % for polio vaccination in 2-year-old children. The objective of this study was to examine determinants of incomplete polio vaccination (receipt of less than 3 doses of a ...
Israa Zareef, Kristina Sabou, Anna Maria Frescura, Marwa Ebrahim, Julie Laroche   +4 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

Factors Associated with Seasonal Influenza Non-Vaccination Among Children with Chronic Health Conditions in Canada: A Cross-Sectional Study

Vaccines
Background/Objectives: Seasonal influenza vaccination is pivotal for protecting high-risk populations, including those with chronic health conditions (CHCs), from severe complications and outcomes.
Arlanna Pugh, Sailly Dave, Marwa Ebrahim, Julie A. Laroche   +3 more
doaj   +1 more source

Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease

Vaccines, 2022
Waning immunity following administration of mRNA-based COVID-19 vaccines remains a concern for many health systems. We undertook a study to determine if recent reports of waning for severe disease could have been attributed to design-related bias by ...
Devendra Bansal, Jazeel Abdulmajeed, Maha H. M. A. Al-Shamali, Soha S. A. Albayat, Sayed M. Himatt, Farhan S. Cyprian, Tawanda Chivese, Jesha M. A. Mundodan, Hayat S. Khogali, Rekayahouda Baaboura, Anvar H. Kaleeckal, Mujeeb C. Kandy, Ali Nizar Latif, Mohamed Ghaith Al-Kuwari, Hamad Eid Al-Romaihi, Abdullatif Al Khal, Roberto Bertollini, Mohamed Hamad Al-Thani, Elmobashar Farag, Suhail A. R. Doi   +19 more
doaj   +1 more source

THE EFFECTS (?) OF VACCINATION. [PDF]

The Lancet
n ...
openaire   +1 more source