University of Pretoria expert to lead WHO group probing origins of novel pathogens including COVID-19

Posted on November 26, 2021

Professor Marietjie Venter of the University of Pretoria (UP) has been selected to chair the international scientific advisory team appointed by the World Health Organisation (WHO) to probe the origins of novel pathogens including SARS-CoV-2.

Prof Venter, Head of the Zoonotic Arbo and Respiratory Virus Programme at the Centre for Viral Zoonoses in the Department Medical Virology at UP, will chair the prestigious Scientific Advisory Group for the Origins of Novel Pathogens (SAGO).

The group’s Vice-Chair is Dr Jean-Claude Manuguerra of France. The group consists of experts with a wide range of expertise from across the world. Prof Venter is the only South African. The members will work for free and in their individual capacity.

The SAGO will advise WHO on the development of a global framework to define and guide studies into the origins of emerging and re-emerging pathogens of epidemic and pandemic potential, including SARS-CoV-2.  

Prof Venter is a medical virologist with extensive experience in emerging and zoonotic vector-borne and respiratory viruses. She uses the One Health approach to solving disease outbreaks in humans, animals and the environment. She has a background in molecular epidemiology, laboratory science including biosafety, viral diagnostics, virus discovery, pathogenesis and public health.

The international expert group was selected from 800 applications from over 100 countries. The group held their first meeting on 23 November and agreed to meet frequently and focus urgently on advising on the overarching framework to study the emergence of novel pathogens, as well as to rapidly undertake an assessment of the current understanding of the origins of SARS-CoV-2, the virus that causes COVID-19.

The SAGO will have the following functions:

  • To advise WHO on the development of a WHO global framework to define and guide studies into the origins of emerging and re-emerging pathogens of epidemic and pandemic potential;  
  • To advise WHO on prioritising studies and field investigations into the origins of emerging and re-emerging pathogens of epidemic and pandemic potential, in accordance with the WHO global framework described in point (1) above;  
  • To provide information and views to assist the WHO Secretariat in the development of a detailed work plan of the SAGO.  

According to WHO Director-General Dr Tedros Adhanom Ghebreyesus, “The emergence of new viruses with the potential to spark epidemics and pandemics is a fact of nature, and while SARS-CoV-2 is the latest such virus, it will not be the last.”

Prof Venter added, “If the origin of new pathogens can be identified it may enable us to put control measures into place to prevent transmission to humans, reduce the impact of local epidemics, and prevent future pandemics.”

She described the selection as “a career highlight, and a huge honour for me personally to serve in this role. I see this as an opportunity to use my training in zoonotic diseases, One Health, molecular epidemiology, laboratory biosafety and public health to lead an exceptional selection of scientist to investigate the origin of emerging diseases such as COVID-19, but also the next disease X that may cause the next pandemic.”

She says important lessons have already been learned. “The origin of COVID-19 may not be known yet, however the speed by which the new virus was identified, the rapid development of sensitive diagnostics, the ability to detect variants through genomic surveillance, and the development of effective vaccines through international collaborations is in my opinion the most significant progress to date.”

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