[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 …

N Bobrovitz, H Ware, X Ma, Z Li, R Hosseini… - The Lancet Infectious …, 2023 - thelancet.com
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 …

SARS-CoV-2 viral load and shedding kinetics

O Puhach, B Meyer, I Eckerle - Nature Reviews Microbiology, 2023 - nature.com
SARS-CoV-2 viral load and detection of infectious virus in the respiratory tract are the two
key parameters for estimating infectiousness. As shedding of infectious virus is required for …

Clinical outcomes associated with SARS-CoV-2 Omicron (B. 1.1. 529) variant and BA. 1/BA. 1.1 or BA. 2 subvariant infection in Southern California

JA Lewnard, VX Hong, MM Patel, R Kahn, M Lipsitch… - Nature medicine, 2022 - nature.com
Epidemiologic surveillance has revealed decoupling of Coronavirus Disease 2019 (COVID-
19) hospitalizations and deaths from case counts after emergence of the Omicron (B. 1.1 …

[HTML][HTML] A multinational Delphi consensus to end the COVID-19 public health threat

JV Lazarus, D Romero, CJ Kopka, SA Karim… - Nature, 2022 - nature.com
Despite notable scientific and medical advances, broader political, socioeconomic and
behavioural factors continue to undercut the response to the COVID-19 pandemic 1, 2. Here …

[HTML][HTML] Seroprevalence of infection-induced SARS-CoV-2 antibodies—United States, September 2021–February 2022

KEN Clarke - MMWR. Morbidity and mortality weekly report, 2022 - cdc.gov
In December 2021, the B. 1.1. 529 (Omicron) variant of SARS-CoV-2, the virus that causes
COVID-19, became predominant in the United States. Subsequently, national COVID-19 …

Evaluation of waning of SARS-CoV-2 vaccine–induced immunity: a systematic review and meta-analysis

F Menegale, M Manica, A Zardini, G Guzzetta… - JAMA network …, 2023 - jamanetwork.com
Importance Estimates of the rate of waning of vaccine effectiveness (VE) against COVID-19
are key to assess population levels of protection and future needs for booster doses to face …

Risk of SARS-CoV-2 reinfection and COVID-19 hospitalisation in individuals with natural and hybrid immunity: a retrospective, total population cohort study in Sweden

P Nordström, M Ballin, A Nordström - The Lancet Infectious Diseases, 2022 - thelancet.com
Background Real-world evidence supporting vaccination against COVID-19 in individuals
who have recovered from a previous SARS-CoV-2 infection is sparse. We aimed to …

Determinants of COVID-19 vaccine fatigue

TA Stamm, J Partheymüller, E Mosor, V Ritschl… - Nature medicine, 2023 - nature.com
There is growing concern that Coronavirus Disease 2019 (COVID-19) vaccine fatigue will be
a major obstacle in maintaining immunity in the general population. In this study, we …

Duration of effectiveness of vaccination against COVID-19 caused by the omicron variant

MM Higdon, A Baidya, KK Walter, MK Patel… - The Lancet Infectious …, 2022 - thelancet.com
4 Vos T, Lim SS, Abbafati C, et al. Global burden of 369 diseases and injuries in 204
countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease …

[HTML][HTML] Effectiveness of mRNA vaccination in preventing COVID-19–associated invasive mechanical ventilation and death—United States, March 2021–January …

MW Tenforde - MMWR. Morbidity and mortality weekly report, 2022 - cdc.gov
COVID-19 mRNA vaccines provide protection against COVID-19 hospitalization among
adults. However, how well mRNA vaccines protect against the most severe outcomes of …