Estimation of COVID-19 mRNA Vaccine Effectiveness Against Medically Attended COVID-19 in Pregnancy During Periods of Delta and Omicron Variant Predominance in the United States
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DOI: 10.1001/jamanetworkopen.2022.33273
Abstract: Key Points Question What is the estimated vaccine effectiveness (VE) of mRNA COVID-19 vaccines against medically attended COVID-19 during pregnancy? Findings In a case-control study including 5492 health care encounters sought by pregnant people, the… read more here.
Keywords: attended covid; vaccine effectiveness; medically attended; covid pregnancy ... See more keywords
Estimated BNT162b2 Vaccine Effectiveness Against Infection With Delta and Omicron Variants Among US Children 5 to 11 Years of Age
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DOI: 10.1001/jamanetworkopen.2022.46915
Abstract: Key Points Question What is the estimated vaccine effectiveness (VE) and durability of BNT162b2 against infection with the Delta and Omicron variants of SARS-CoV-2 among 5- to 11-year-old children? Findings In this test-negative case-control study… read more here.
Keywords: infection delta; vaccine effectiveness; vaccine; delta omicron ... See more keywords
Estimation of COVID-19 mRNA Vaccine Effectiveness and COVID-19 Illness and Severity by Vaccination Status During Omicron BA.4 and BA.5 Sublineage Periods
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DOI: 10.1001/jamanetworkopen.2023.2598
Abstract: Key Points Question What is the estimated vaccine effectiveness (VE) associated with first-generation COVID-19 mRNA vaccines against medically attended COVID-19 during Omicron BA.4 and BA.5 sublineage predominance? Findings This case-control study included 82 229 emergency department… read more here.
Keywords: omicron sublineage; covid; covid mrna; vaccine effectiveness ... See more keywords
Transmission Characteristics and Inactivated Vaccine Effectiveness Against Transmission of SARS-CoV-2 Omicron BA.5 Variants in Urumqi, China
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DOI: 10.1001/jamanetworkopen.2023.5755
Abstract: This cohort study investigates transmission characteristics and vaccine effectiveness against transmission of SARS-CoV-2 Omicron BA.5 variants in China. read more here.
Keywords: effectiveness transmission; vaccine effectiveness; transmission characteristics; transmission ... See more keywords
Estimating influenza vaccine effectiveness: Evolution of methods to better understand effects of confounding in older adults.
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DOI: 10.1016/j.vaccine.2017.09.084
Abstract: Older adults are at high risk for serious complications of influenza illness and loss of vaccine-mediated protection. It is increasingly recognized that in addition to age, multiple chronic conditions and associated frailty contribute to the… read more here.
Keywords: vaccine; vaccine effectiveness; older adults; influenza vaccine ... See more keywords
Influenza vaccine effectiveness in hospitalised Hong Kong children: Feasibility of estimates from routine surveillance data.
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DOI: 10.1016/j.vaccine.2018.04.081
Abstract: BACKGROUND Hong Kong has a high burden of influenza hospitalisation. This study estimated influenza vaccine effectiveness in hospitalised Hong Kong children aged 6 months to below 6 years using data potentially obtainable from routine surveillance sources. METHODS… read more here.
Keywords: status; vaccine effectiveness; influenza vaccine; hong kong ... See more keywords
Acellular pertussis vaccine effectiveness and waning immunity in Alberta, Canada: 2010-2015, a Canadian Immunization Research Network (CIRN) study.
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DOI: 10.1016/j.vaccine.2019.05.067
Abstract: BACKGROUND Pertussis is still frequently reported in Canada. In Alberta, pertussis incidence ranged from 1.8 to 20.5 cases per 100,000 persons for 2004-2015. Most cases occurred in those aged read more here.
Keywords: vaccine effectiveness; vaccine; alberta canada; pertussis vaccine ... See more keywords
Cohort study of Covid-19 vaccine effectiveness among healthcare workers in Finland, December 2020 - October 2021
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DOI: 10.1016/j.vaccine.2021.12.032
Abstract: Recently, Covid-19 vaccine effectiveness has decreased especially against mild disease due to emergence of the Delta variant and waning protection. In this register-based study among healthcare workers in Finland, the vaccine effectiveness of two-dose mRNA… read more here.
Keywords: vaccine effectiveness; workers finland; covid vaccine; among healthcare ... See more keywords
Vaccine effectiveness of the 7-valent and 13-valent pneumococcal conjugate vaccines in Canada: An IMPACT study.
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DOI: 10.1016/j.vaccine.2022.03.048
Abstract: We used an indirect cohort analysis in children under 5 years-old from 2002 to 2018 to examine vaccine effectiveness (VE) of the 7-valent pneumococcal conjugate vaccine (PCV) (3 + 1 doses in most regions) and the 13-valent PCV… read more here.
Keywords: valent pneumococcal; vaccine effectiveness; effectiveness; effectiveness valent ... See more keywords
The impact of repeated vaccination on relative influenza vaccine effectiveness among vaccinated adults in the United Kingdom
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DOI: 10.1017/s0950268822001753
Abstract: Abstract Annual seasonal influenza vaccination is recommended for individuals at high risk of developing post-infection complications in many locations. However, reduced vaccine immunogenicity and effectiveness have been observed among repeat vaccinees in some influenza seasons.… read more here.
Keywords: vaccine effectiveness; united kingdom; vaccination; vaccination relative ... See more keywords
Immune biomarkers to predict SARS-CoV-2 vaccine effectiveness in patients with hematological malignancies
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DOI: 10.1038/s41408-021-00594-1
Abstract: There is evidence of reduced SARS-CoV-2 vaccine effectiveness in patients with hematological malignancies. We hypothesized that tumor and treatment-related immunosuppression can be depicted in peripheral blood, and that immune profiling prior to vaccination can help… read more here.
Keywords: vaccine effectiveness; cov vaccine; sars cov; effectiveness patients ... See more keywords