Petro Rousseau

Pretoria, GT, South Africa

Last Updated: 09/26/2026

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Found 8 publications

COVID-19 vaccine uptake and effectiveness by time since vaccination in the Western Cape province, South Africa: An observational cohort study during 2020-2022.

COVID-19 vaccine uptake and effectiveness by time since vaccination in the Western Cape province, South Africa: An observational cohort study during 2020-2022.

Journal: medRxiv : the preprint server for health sciences

Published: February 12, 2024

Trends in COVID-19 admissions and deaths among people living with HIV in South Africa: analysis of national surveillance data.

Trends in COVID-19 admissions and deaths among people living with HIV in South Africa: analysis of national surveillance data.

Journal: The lancet. HIV

Published: March 22, 2023

Trends in Cases, Hospitalizations, and Mortality Related to the Omicron BA.4/BA.5 Subvariants in South Africa.

Trends in Cases, Hospitalizations, and Mortality Related to the Omicron BA.4/BA.5 Subvariants in South Africa.

Journal: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Published: August 25, 2022

Outcomes of laboratory-confirmed SARS-CoV-2 infection during resurgence driven by Omicron lineages BA.4 and BA.5 compared with previous waves in the Western Cape Province, South Africa.

Outcomes of laboratory-confirmed SARS-CoV-2 infection during resurgence driven by Omicron lineages BA.4 and BA.5 compared with previous waves in the Western Cape Province, South Africa.

Journal: International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Published: June 27, 2022

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.

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.

Journal: Tropical medicine & international health : TM & IH

Published: April 12, 2022

Clinical severity of COVID-19 in patients admitted to hospital during the omicron wave in South Africa: a retrospective observational study.

Clinical severity of COVID-19 in patients admitted to hospital during the omicron wave in South Africa: a retrospective observational study.

Journal: The Lancet. Global health

Published: February 21, 2022

Assessing the clinical severity of the Omicron variant in the Western Cape Province, South Africa, using the diagnostic PCR proxy marker of RdRp target delay to distinguish between Omicron and Delta infections - a survival analysis.

Assessing the clinical severity of the Omicron variant in the Western Cape Province, South Africa, using the diagnostic PCR proxy marker of RdRp target delay to distinguish between Omicron and Delta infections - a survival analysis.

Journal: International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Published: January 18, 2022

Effectiveness of the Ad26.COV2.S vaccine in health-care workers in South Africa (the Sisonke study): results from a single-arm, open-label, phase 3B, implementation study.

Effectiveness of the Ad26.COV2.S vaccine in health-care workers in South Africa (the Sisonke study): results from a single-arm, open-label, phase 3B, implementation study.

Journal: Lancet (London, England)

Published: October 17, 2021

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Last Updated: 09/26/2026