Immune history and influenza vaccine effectiveness

JA Lewnard, S Cobey - Vaccines, 2018 - mdpi.com
The imperfect effectiveness of seasonal influenza vaccines is often blamed on antigenic
mismatch, but even when the match appears good, effectiveness can be surprisingly low …

The use of test-negative controls to monitor vaccine effectiveness: a systematic review of methodology

H Chua, S Feng, JA Lewnard, SG Sullivan… - …, 2020 - journals.lww.com
Background: The test-negative design is an increasingly popular approach for estimating
vaccine effectiveness (VE) due to its efficiency. This review aims to examine published test …

Effectiveness of BNT162b2 vaccine against critical Covid-19 in adolescents

SM Olson, MM Newhams, NB Halasa… - … England Journal of …, 2022 - Mass Medical Soc
Background The increasing incidence of pediatric hospitalizations associated with
coronavirus disease 2019 (Covid-19) caused by the B. 1.617. 2 (delta) variant of severe …

SARS-CoV-2 variants and vaccines

PR Krause, TR Fleming, IM Longini… - … England Journal of …, 2021 - Mass Medical Soc
Viral variants of concern may emerge with dangerous resistance to the immunity generated
by the current vaccines to prevent coronavirus disease 2019 (Covid-19). Moreover, if some …

Evaluation of post-introduction COVID-19 vaccine effectiveness: Summary of interim guidance of the World Health Organization

MK Patel, I Bergeri, JS Bresee, BJ Cowling… - Vaccine, 2021 - Elsevier
Phase 3 randomized-controlled trials have provided promising results of COVID-19 vaccine
efficacy, ranging from 50 to 95% against symptomatic disease as the primary endpoints …

[PDF][PDF] Evaluation of COVID-19 vaccine effectiveness

I Guidance - 2021 - notofman.com
Since its emergence in December 2019, SARS-CoV-2, the virus that causes coronavirus
disease 2019 (COVID-19), has taken a tremendous toll globally; by 28 February 2021, there …

[HTML][HTML] Effectiveness of rAd26-rAd5, ChAdOx1 nCoV-19, and BBIBP-CorV vaccines for risk of infection with SARS-CoV-2 and death due to COVID-19 in people older …

A Rearte, JM Castelli, R Rearte, N Fuentes, V Pennini… - The Lancet, 2022 - thelancet.com
Summary Background In January, 2021, a vaccination campaign against COVID-19 was
initiated with the rAd26-rAd5, ChAdOx1 nCoV-19, and BBIBP-CorV vaccines in Argentina …

Evidence of leaky protection following COVID-19 vaccination and SARS-CoV-2 infection in an incarcerated population

ML Lind, M Dorion, AJ Houde, M Lansing… - Nature …, 2023 - nature.com
Whether SARS-CoV-2 infection and COVID-19 vaccines confer exposure-dependent
(“leaky”) protection against infection remains unknown. We examined the effect of prior …

Theoretical framework for retrospective studies of the effectiveness of SARS-CoV-2 vaccines

JA Lewnard, MM Patel, NP Jewell, JR Verani… - …, 2021 - journals.lww.com
Observational studies of the effectiveness of vaccines to prevent COVID-19 are needed to
inform real-world use. Such studies are now underway amid the ongoing rollout of SARS …

Identifying and alleviating bias due to differential depletion of susceptible people in postmarketing evaluations of COVID-19 vaccines

R Kahn, SJ Schrag, JR Verani… - American journal of …, 2022 - academic.oup.com
Recent studies have provided key information about SARS-CoV-2 vaccines' efficacy and
effectiveness (VE). One important question that remains is whether the protection conferred …