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02 July 2019 | Story Leonie Bolleurs
Edwin Skhosana
Edwin Skhosana is working hard to become a successful and competent actuary one day. With him is his lecturer, Dr Michael von Maltitz.

Edwin Skhosana, an Actuarial Sciences student, was described by his lecturer, Dr Michael von Maltitz of the Department of Mathematical Statistics and Actuarial Science, as ‘very quiet’ in his Causal Inference class. 

This may sound like a compliment, but it’s not.

For Dr Von Maltitz, being quiet is definitely not encouraged – not with the new teaching methods applied in class.

“See, my class is all about engagement – getting the students to watch videos on the topics, read about the methods in question, and then come to class to grill me about things they don’t understand. This change in teaching method is extremely disconcerting for many Mathematical students, who have up until now only been taught in the ‘memorise-regurgitate’ form they had ever since the start of high school,” he explains.

Future success


“My goal is to get the students to a level of understanding where they can sit down with me or with an expert in the field and have a conversation about the Mathematical Statistics topics that I teach. This is a very difficult task in such a technical module, and few students ever feel comfortable enough to engage with me actively in class in this way,” Dr Von Maltitz points out. 

Edwin is working hard towards applying the skills and knowledge he has obtained at university to become a successful and competent actuary one day. 

An important turning point was when it dawned on him how the things discussed in class could find an important practical application in so many fields.  

“This suddenly drove a spontaneous fascination in my mind that led me to engage with Dr Von Maltitz,” the previously quiet Edwin explains.

And everything changed.

Desperate to learn

Dr Von Maltitz explains: “Edwin came to my office to ask some questions. The incredible thing was that he sat down, and a conversation about the Mathematics, the foundations, and the methods just flowed between us. I have seldom had such an insightful chat about my module with a student. It was like a cascade of information just fell into place for Edwin.”

Although he sometimes still experiences his studies as challenging and grapples to adapt to the various styles of lecturing from different lecturers, Edwin now has hope for his class in Causal Inference. 

“I think Dr Von Maltitz’s way of presenting in class is excellent. It is, however, hard to grasp if you are still anchored in the old way of cramming, because he wants you to understand and be able to apply what he teaches,” says Edwin.

“It was just wonderfully refreshing to see someone so desperate to learn something (rather than just wanting to get a degree), and then actually managing to turn around a bad semester mark into such a river of understanding,” Dr Von Maltitz concludes.

Dr Michael von Maltitz
Dr Micheal von Maltitz

News Archive

Her mission: Looking for viruses
2017-10-03

Description: Burt readmore Tags: Prof Felicity Burt, Felicity Burt, inaugural lecture, medical virology, UFS Faculty of Health Sciences, arboviruses 

Prof Felicity Burt delivering her inaugural lecture,
Catching a Virus
Photo: Stephen Collett

“Preparing and presenting an inaugural lecture is an opportunity to look back at one’s career and to enjoy previous highlights and achievements; to share these, not only with colleagues, but also with family and friends.”

This is according to Prof Felicity Burt, who recently presented her inaugural lecture, Catching a Virus. Prof Burt is a professor in medical virology in the Faculty of Health Sciences at the University of the Free State (UFS). It may sound ominous, but it is a story about identifying viruses, and finding and stopping them in their tracks in nature.

Research focus on arbo- and zoonotic viruses 
“My research focuses on arboviruses and zoonotic viruses,” said Prof Burt. “Arboviruses are viruses that are transmitted by insect vectors, such as mosquitoes, ticks, midges or sandflies, whereas zoonotic viruses are naturally transmitted from animals to humans. However, there is a considerable overlap between these two groups.” The research looks at host responses, virus discovery and surveillance in order to identify which of the viruses in circulation have the potential to cause human diseases.

“Emerging and re-emerging viruses have significant implications for public health,” said Prof Burt at the start of her lecture. She also stated that there have been disease outbreaks of unprecedented magnitude, which have spread and established in distinct geographic regions. “Many of these emerging viruses are transmitted by vectors or are spread to humans from animals. These viruses can cause significant diseases in humans,” said Prof Burt. 

There are many reasons why these viruses re-emerge, such as global warming, human invasion in forested areas, changes in agricultural practices, international travel, as well as the illegal movement of animals. Prof Burt used the Zika virus as an example of a recent emerging virus. 

More than 20 years’ experience 

With more than 20 years’ experience and a PhD in medical virology from the University of the Witwatersrand, Prof Burt is a renowned specialist. She has worked in the Special Pathogens Unit at the National Institute for Communicable Diseases, and was a member of various teams responding to outbreaks of Ebola and Rift Valley fever in Africa and Saudi Arabia, respectively. She is co-author of more than 51 articles in international scientific journals, as well as six chapters on arboviruses. In 2016, she was awarded a SARChl research chair by the South African Research Chair Initiative for her research on vector-borne and zoonotic diseases.

Click here to read the full lecture.

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