[HTML][HTML] Past SARS-CoV-2 infection protection against re-infection: a systematic review and meta-analysis

C Stein, H Nassereldine, RJD Sorensen, JO Amlag… - The Lancet, 2023 - thelancet.com
Background Understanding the level and characteristics of protection from past SARS-CoV-
2 infection against subsequent re-infection, symptomatic COVID-19 disease, and severe …

Effectiveness of the pre-Omicron COVID-19 vaccines against Omicron in reducing infection, hospitalization, severity, and mortality compared to Delta and other …

P Paul, A El-Naas, O Hamad, MA Salameh… - Human Vaccines & …, 2023 - Taylor & Francis
Despite widespread mass rollout programs, the rapid spread of the SARS-CoV-2 Omicron
variant called into question the effectiveness of the existing vaccines against infection …

Protective effect of previous SARS-CoV-2 infection against Omicron BA. 4 and BA. 5 subvariants

HN Altarawneh, H Chemaitelly, HH Ayoub… - … England Journal of …, 2022 - Mass Medical Soc
Protective Effect of Previous SARS-CoV-2 Infection against Omicron BA.4 and BA.5 Subvariants |
New England Journal of Medicine Skip to main content The New England Journal of Medicine …

Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA. 1 and BA. 2 subvariants in Qatar

H Chemaitelly, HH Ayoub, S AlMukdad, P Coyle… - Nature …, 2022 - nature.com
Abstract SARS-CoV-2 Omicron BA. 1 and BA. 2 subvariants are genetically divergent. We
conducted a matched, test-negative, case-control study to estimate duration of protection of …

Immune imprinting and protection against repeat reinfection with SARS-CoV-2

H Chemaitelly, HH Ayoub, P Tang… - … England Journal of …, 2022 - Mass Medical Soc
Immune Imprinting and Protection against Repeat Reinfection with SARS-CoV-2 | New England
Journal of Medicine Skip to main content The New England Journal of Medicine homepage …

Recall of preexisting cross-reactive B cell memory after Omicron BA. 1 breakthrough infection

CI Kaku, AJ Bergeron, C Ahlm, J Normark… - Science …, 2022 - science.org
Understanding immune responses after severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) breakthrough infection will facilitate the development of next-generation …

Risk of reinfection, vaccine protection, and severity of infection with the BA. 5 omicron subvariant: a nation-wide population-based study in Denmark

CH Hansen, NU Friis, P Bager, M Stegger… - The Lancet infectious …, 2023 - thelancet.com
Background Estimates of immunity and severity for the SARS-CoV-2 omicron subvariant BA.
5 are important to assess the public health impact associated with its rapid global spread …

Association of primary and booster vaccination and prior infection with SARS-CoV-2 infection and severe COVID-19 outcomes

DY Lin, Y Gu, Y Xu, B Wheeler, H Young, SK Sunny… - Jama, 2022 - jamanetwork.com
Importance Data about the association of COVID-19 vaccination and prior SARS-CoV-2
infection with risk of SARS-CoV-2 infection and severe COVID-19 outcomes may guide …

Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort study

H Chemaitelly, HH Ayoub, P Tang, P Coyle… - The Lancet Infectious …, 2023 - thelancet.com
Background Long-term effectiveness of COVID-19 mRNA boosters in populations with
different previous infection histories and clinical vulnerability profiles is inadequately …

Protection against omicron (B. 1.1. 529) BA. 2 reinfection conferred by primary omicron BA. 1 or pre-omicron SARS-CoV-2 infection among health-care workers with …

S Carazo, DM Skowronski, M Brisson… - The Lancet Infectious …, 2023 - thelancet.com
Background There is a paucity of data on vaccine-induced or infection-induced (hybrid or
natural) immunity against omicron (B. 1.1. 529) subvariant BA. 2, particularly in comparing …