Clinical severity of SARS-CoV-2 Omicron BA.4 and BA.5 lineages compared to BA.1 and Delta in South Africa

Early assessment of the clinical severity of the SARS-CoV-2 omicron variant in South Africa: a data linkage study

(2022) Nicole Wolter et al.   LANCET

Population Immunity and Covid-19 Severity with Omicron Variant in South Africa

(2022) Shabir A. Madhi et al.   NEW ENGLAND JOURNAL OF MEDICINE

SARS-CoV-2 Omicron variants BA.1 and BA.2 both show similarly reduced disease severity of COVID-19 compared to Delta, Germany, 2021 to 2022

(2022) Claudia Sievers et al.   Eurosurveillance

T cell responses to SARS-CoV-2 spike cross-recognize Omicron

(2022) Roanne Keeton et al.   NATURE

Increased risk of SARS-CoV-2 reinfection associated with emergence of Omicron in South Africa

(2022) Juliet R. C. Pulliam et al.   SCIENCE

Outcomes of laboratory‐confirmed SARS‐CoV ‐2 infection in the Omicron‐driven fourth wave compared with previous waves in the Western Cape Province, South Africa

(2022) Mary‐Ann Davies et al.   TROPICAL MEDICINE & INTERNATIONAL HEALTH

Antibody escape of SARS-CoV-2 Omicron BA.4 and BA.5 from vaccine and BA.1 serum

(2022) Aekkachai Tuekprakhon et al.   CELL

Clinical severity of omicron lineage BA.2 infection compared with BA.1 infection in South Africa

(2022) Nicole Wolter et al.   LANCET

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

(2022) Joseph A. Lewnard et al.   NATURE MEDICINE

Emergence of SARS-CoV-2 Omicron lineages BA.4 and BA.5 in South Africa

(2022) Houriiyah Tegally et al.   NATURE MEDICINE

Associations between body-mass index and COVID-19 severity in 6·9 million people in England: a prospective, community-based, cohort study

(2021) Min Gao et al.   Lancet Diabetes & Endocrinology

Risk factors for COVID-19-related in-hospital mortality in a high HIV and tuberculosis prevalence setting in South Africa: a cohort study

(2021) Waasila Jassat et al.   Lancet HIV