[HTML][HTML] Protective effectiveness of previous SARS-CoV-2 infection and hybrid immunity against the omicron variant and severe disease: a systematic review and meta …
Background The global surge in the omicron (B. 1.1. 529) variant has resulted in many
individuals with hybrid immunity (immunity developed through a combination of SARS-CoV …
individuals with hybrid immunity (immunity developed through a combination of SARS-CoV …
[HTML][HTML] T cell responses to SARS-CoV-2
A large body of evidence generated in the last two and a half years addresses the roles of T
cells in SARS-CoV-2 infection and following vaccination. Infection or vaccination induces …
cells in SARS-CoV-2 infection and following vaccination. Infection or vaccination induces …
[HTML][HTML] Infectiousness of SARS-CoV-2 breakthrough infections and reinfections during the Omicron wave
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) breakthrough infections in
vaccinated individuals and reinfections in previously infected individuals have become …
vaccinated individuals and reinfections in previously infected individuals have become …
[HTML][HTML] Risk of reinfection, vaccine protection, and severity of infection with the BA. 5 omicron subvariant: a nation-wide population-based study in Denmark
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 …
5 are important to assess the public health impact associated with its rapid global spread …
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 …
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 …
natural) immunity against omicron (B. 1.1. 529) subvariant BA. 2, particularly in comparing …
Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort study
Background Long-term effectiveness of COVID-19 mRNA boosters in populations with
different previous infection histories and clinical vulnerability profiles is inadequately …
different previous infection histories and clinical vulnerability profiles is inadequately …
[HTML][HTML] Protection against symptomatic infection with delta (B. 1.617. 2) and omicron (B. 1.1. 529) BA. 1 and BA. 2 SARS-CoV-2 variants after previous infection and …
AA Powell, F Kirsebom, J Stowe… - The Lancet Infectious …, 2023 - thelancet.com
Background Little is known about protection against SARS-CoV-2 infection following
previous infection with specific individual SARS-CoV-2 variants, COVID-19 vaccination, and …
previous infection with specific individual SARS-CoV-2 variants, COVID-19 vaccination, and …
[HTML][HTML] SARS-CoV-2 Omicron variants: burden of disease, impact on vaccine effectiveness and need for variant-adapted vaccines
The highly transmissible Omicron (B. 1.1. 529) variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) was first detected in late 2021. Initial Omicron waves were …
coronavirus 2 (SARS-CoV-2) was first detected in late 2021. Initial Omicron waves were …
[HTML][HTML] Risk factors of severe COVID-19: a review of host, viral and environmental factors
The clinical course and outcome of COVID-19 are highly variable, ranging from
asymptomatic infections to severe disease and death. Understanding the risk factors of …
asymptomatic infections to severe disease and death. Understanding the risk factors of …
Current and emerging knowledge in COVID-19
COVID-19 has emerged as a pandemic leading to a global public health crisis of
unprecedented morbidity. A comprehensive insight into the imaging of COVID-19 has …
unprecedented morbidity. A comprehensive insight into the imaging of COVID-19 has …