Effectiveness of influenza vaccination in infants and toddlers with and without prior infection history: The Japan Environment and Children's Study.
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DOI: 10.1016/j.vaccine.2021.02.044
Abstract: We calculated the Poisson-regression-adjusted relative risk (RR) of new influenza infection by vaccination, prior infection, and vaccination after prior infection in a large Japanese birth cohort, using data from ≤89,253 children aged 6 months to 3 years.… read more here.
Keywords: prior infection; effectiveness influenza; infants toddlers; infection ... See more keywords
Hybrid Immunity Provides Protective Advantage Over Vaccination or Prior Remote Coronavirus Disease 2019 Alone
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DOI: 10.1093/ofid/ofad161
Abstract: Abstract Background The protective efficacy of prior coronavirus disease 2019 (COVID-19) with or without vaccination remains unknown. This study sought to understand if 2 or more messenger RNA (mRNA) vaccine doses provide additional protection in… read more here.
Keywords: coronavirus disease; prior infection; vaccination; infection ... See more keywords
Infection is associated with increased risk of MPO- but not PR3-ANCA associated vasculitis.
Sign Up to like & getrecommendations! Published in 2022 at "Rheumatology"
DOI: 10.1093/rheumatology/keac163
Abstract: OBJECTIVES To determine whether development of ANCA-associated vasculitis (AAV) shows a relationship to a prior infection and if prior infection affects disease characteristics and outcome. METHODS All incident cases of AAV diagnosed in a defined… read more here.
Keywords: infection; pr3 anca; vasculitis; prior infection ... See more keywords
Previous Infection Combined with Vaccination Produces Neutralizing Antibodies with Potency against SARS-CoV-2 Variants
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DOI: 10.1128/mbio.02656-21
Abstract: As SARS-CoV-2 evolves to become better suited for circulating in humans, mutations have occurred in the spike protein it uses for attaching to cells it infects. Protective antibodies from prior infection or vaccination target the… read more here.
Keywords: prior infection; infection; vaccination; spike protein ... See more keywords
Association between primary or booster COVID-19 mRNA vaccination and Omicron lineage BA.1 SARS-CoV-2 infection in people with a prior SARS-CoV-2 infection: A test-negative case–control analysis
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DOI: 10.1371/journal.pmed.1004136
Abstract: Background The benefit of primary and booster vaccination in people who experienced a prior Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection remains unclear. The objective of this study was to estimate the effectiveness of… read more here.
Keywords: prior infection; vaccination; infection; documented prior ... See more keywords
Risk of SARS-CoV-2 reinfection by vaccination status, predominant variant and time from prior infection: a cohort study, Reggio Emilia province, Italy, February 2020 to February 2022
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DOI: 10.2807/1560-7917.es.2023.28.13.2200494
Abstract: Background Understanding the epidemiology of reinfections is crucial for SARS-CoV-2 control over a long period. Aim To evaluate the risk of SARS-CoV-2 reinfection by vaccination status, predominant variant and time after first infection. Methods We… read more here.
Keywords: vaccination; prior infection; infection; risk ... See more keywords
Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections
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DOI: 10.3389/fimmu.2022.984784
Abstract: In 2021, Qatar experienced considerable incidence of SARS-CoV-2 infection that was dominated sequentially by the Alpha, Beta, and Delta variants. Using the cycle threshold (Ct) value of an RT-qPCR-positive test to proxy the inverse of… read more here.
Keywords: prior infection; vaccination; infection; age ... See more keywords
Age-adjusted impact of prior COVID-19 on SARS-CoV-2 mRNA vaccine response
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DOI: 10.3389/fimmu.2023.1087473
Abstract: More people with a history of prior infection are receiving SARS-CoV-2 vaccines. Understanding the level of protection granted by ‘hybrid immunity’, the combined response of infection- and vaccine-induced immunity, may impact vaccination strategies through tailored… read more here.
Keywords: prior infection; infection; age; antibody ... See more keywords
Opposing Effects of Prior Infection versus Prior Vaccination on Vaccine Immunogenicity against Influenza A(H3N2) Viruses
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DOI: 10.3390/v14030470
Abstract: Prior vaccination can alternately enhance or attenuate influenza vaccine immunogenicity and effectiveness. Analogously, we found that vaccine immunogenicity was enhanced by prior A(H3N2) virus infection among participants of the Ha Nam Cohort, Viet Nam, but… read more here.
Keywords: h3n2; vaccine immunogenicity; prior infection; vaccination ... See more keywords
The Epidemiological Features of the SARS-CoV-2 Omicron Subvariant BA.5 and Its Evasion of the Neutralizing Activity of Vaccination and Prior Infection
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DOI: 10.3390/vaccines10101699
Abstract: From December 2021 to May 2022, the Omicron BA.1 and BA.2 subvariants successively became the most dominant strains in many countries around the world. Subsequently, Omicron subvariants have emerged, and Omicron has been classified into… read more here.
Keywords: omicron; vaccination; epidemiological features; omicron subvariants ... See more keywords