Tulio de Oliveira

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  • Director of the Centre for Epidemic Response and Innovation (CERI) at Stellenbosch University and the KwaZulu-Natal Research Innovation and Sequencing Plaform (KRISP)., Stellenbosch University
imageBROKER/Arnulf Hettrich/Getty Images

Hantavirus in Africa: why climate change, rats and weak surveillance are worrying scientists

Wolfgang Preiser, Stellenbosch University; Carla Mavian, University of Florida; Cheryl Baxter, Stellenbosch University; Richard Lessells, University of KwaZulu-Natal, and Tulio de Oliveira, Stellenbosch University

Weak surveillance and climate change could allow deadly hantaviruses to spread unnoticed across African countries, raising the risk of future outbreaks.
Children and women run in a cloud of dust at the village of El Gel, Ethiopia. Climate change has pushed the Horn of Africa into a catastrophic drought. Photo by EDUARDO SOTERAS/AFP via Getty Images)

Climate change risks triggering a spike in infectious disease outbreaks: three reasons why

Wolfgang Preiser, Stellenbosch University; Cheryl Baxter, Stellenbosch University; Houriiyah Tegally, Stellenbosch University; Monika Moir, Stellenbosch University, and Tulio de Oliveira, University of KwaZulu-Natal

Heat, floods and droughts create conditions for pathogens and their vectors.
C’est en séquençant le matériel génétique contenu dans des échantillons issus de personnes testées positives pour le coronavirus que les scientifiques identifient les nouveaux variants. Lightspring / Shutterstock

Omicron : comment ce nouveau variant du SARS‑CoV‑2 a‑t‑il été identifié, et que sait‑on de lui ?

Wolfgang Preiser, Stellenbosch University; Cathrine Scheepers, University of the Witwatersrand; Jinal Bhiman, National Institute for Communicable Diseases; Marietjie Venter, University of Pretoria, and Tulio de Oliveira, University of KwaZulu-Natal

Une nouvelle lignée de SARS-CoV-2, B.1.1.529, a été identifiée. Baptisée Omicron par l’OMS, qui l’a catégorisé « préoccupant », ce variant a un profil génétique très différent des précédents.
Scientists find variants by sequencing samples from people that have tested positive for the virus. Lightspring/Shutterstock

The hunt for coronavirus variants: how the new one was found and what we know so far

Wolfgang Preiser, Stellenbosch University; Cathrine Scheepers, University of the Witwatersrand; Jinal Bhiman, National Institute for Communicable Diseases; Marietjie Venter, University of Pretoria, and Tulio de Oliveira, University of KwaZulu-Natal

There’s a new COVID lineage called B.1.1.529. It has a genetic profile very different from other circulating variants
Shutterstock

South African health experts have identified a new lineage of SARS‑CoV‑2: what’s known so far

Wolfgang Preiser, Stellenbosch University; Cathrine Scheepers, University of the Witwatersrand; Jinal Bhiman, National Institute for Communicable Diseases; Marietjie Venter, University of Pretoria; Penny Moore, University of the Witwatersrand, and Tulio de Oliveira, University of KwaZulu-Natal

We are being cautious about the implications for vaccine efficacy and transmissibility while we gather more data to understand this lineage.
Personal sanitario y pacientes en la zona exterior temporal del Hospital Académico Steve Biko creada para analizar y tratar los casos sospechosos de la covid-19 en Pretoria. Alet Pretorius/Gallo Images via Getty Images

Los científicos sudafricanos que detectaron la nueva variante de covid‑19 comparten sus hallazgos

Willem Hanekom, Africa Health Research Institute (AHRI) and Tulio de Oliveira, University of KwaZulu-Natal

Los expertos han observado que la 501Y.V2 se ha convertido rápidamente en dominante entre el resto de variantes que circulan entre la población en Sudáfrica.
Health care workers and patients in the temporary outside area Steve Biko Academic Hospital created to screen and treat suspected Covid-19 cases in Pretoria. Alet Pretorius/Gallo Images via Getty Images

South African scientists who discovered new COVID‑19 variant share what they know

Willem Hanekom, Africa Health Research Institute (AHRI) and Tulio de Oliveira, University of KwaZulu-Natal

Scientists have observed that 501Y.V2 has quickly become “dominant” among multiple variants that have been circulating in the South African population.

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