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16 September 2021 | Story Nonsindiso Qwabe | Photo Supplied
Dr Samantha Potgieter.

As COVID-19 vaccines continue to be a topical issue in South Africa and indeed in the world itself, the Department of Human Resources held a webinar for the UFS community on 10 September that delved deeper into the questions surrounding the vaccine. 

Dr Samantha Potgieter, infectious disease expert at the Universitas Academic Hospital and affiliated Lecturer in the Department of Internal Medicine at the University of the Free State, addressed some commonly raised concerns about the COVID-19 vaccine and how it affects us.

Dr Potgieter started off by saying that coronaviruses have been causing outbreaks among humans for millennia. While COVID-19 is relatively mild and self-limiting in 80% of patients, 20% of patients are at risk of developing severe disease.
She said before a vaccine could be introduced to a population, it had to go through rigorous testing and clinical trials. Only once safety has been confirmed, it can be released and distributed. 

“This process usually takes about ten years; this is what we are used to. But it has happened much quicker for the COVID-19 vaccine, and I think this is a fact that many people misinterpret – that the evidence might not be that robust, which is certainly not the case. COVID-19 vaccines have gone through all this rigorous testing, thousands of patients had volunteered for trial testing studies. The point is that we already had the technology, vaccination is not something new to humans. So, these preclinical trials were able to happen very quickly, and because of the large number of infections and because the focus of the entire world was on finding a cure, it was a very set process to get these trials through the adequate phases.” 

She said the COVID-19 vaccine was approved by national regulators, manufactured to exacting standards, and only thereafter distributed – as is the case for all drugs released into the market.

How does the vaccine work?

Dr Potgieter said the vaccine works by producing antibodies against the COVID-19 virus. If you are infected with the COVID-19 virus after getting vaccinated, these antibodies bind to the virus and stop it from replicating.

“When you get infected with a disease such as COVID-19, natural antibodies are produced by the immune system to fight the disease. If you get infected again, the immune system will remember how to respond, and quickly destroy the virus. A vaccine can do the same, but without the risk of disease from natural infection. Vaccines work by imitating a bacteria or virus using either mRNA in the case of the COVID-19 vaccine, or a dead or weakened version of the bacteria or virus. The vaccine raises the body’s alarm. It trains the body to recognise and fight the virus. When the body encounters the real-deal virus, it is primed and ready to fight for the body’s health.”

She said South Africa had the mRNA vaccine in the form of the Pfizer vaccine, and the adenoviral vector vaccine in the form of the Johnson & Johnson vaccine.

Why should you get the vaccine?

Dr Potgieter said vaccines are safe and effective, and the most compelling reasons for getting vaccinated are the following:

-To protect yourself from severe disease
-To protect those around you who may be at risk of severe disease
-To restore the social and economic platforms of the country, and the world at large.
She said that while the vaccine does not prevent you from getting COVID-19, it offers better protection against the development of severe disease, and vaccinated people had 50% less chance of spreading the virus.
The most common side effects of the vaccine are the following:
-Pain at the injection site
-Swollen lymph nodes
-Fever
-Fatigue
-Headache
-Myalgia (muscle pain)

“These are indications that the immune system is mounting a response. When it mounts a response, it produces antibodies,” she said.

Answers to commonly asked questions are the following:

1. Can the vaccine alter my DNA?
“No, it goes nowhere near the nucleus of the cell.”

2. What happens when you get COVID in between the first and second doses?
“Some protection is conferred after the first dose, but maximum protection is conferred two weeks after the second dose. Vaccination is still advised.” 

Dr Potgieter said patients who were between vaccinations still show better recovery results than those without.

3. What about natural immunity?
“Natural immunity might confer better protection, but it runs the risk of severe disease. Yes, immunity can be gained through natural immunity, it can be gained through vaccination, and it can certainly be gained by a combination of the two.”

4. What about long-term side effects?
“Serious side effects that cause long-term health problems following any vaccination are very rare, including the COVID-19 vaccination.”

To get the answers to more of your questions, the webinar can be accessed via the following link: https://event.webinarjam.com/go/replay/43/053q6a8vay9a0qa2

News Archive

UFS on the right track with transformation - Fulbright scholars
2010-08-27

 
Pictured from the left, are: Dr Wilmore-Schaeffer, Rev. Dr Streets and Ms Leah Naidoo (Senior Administrator of the Institute).
Photo: Mangaliso Radebe

“I think the university is not only on the right track but can really become a model for how to negotiate certain difficult processes, such as transformation, within a short period of time. I think it can become a model, not just for other universities, but also for the world.”

This was said by Dr Rozetta Wilmore-Schaeffer, who together with Rev. Dr Frederick J. Streets, recently worked with the International Institute for Race, Reconciliation and Social Justice at the University of the Free State (UFS) as Fulbright specialists. They helped the institute come up with ideas in terms of making the changes that are necessary for the transformation of the university.

“There is a great deal that has already been done despite the sense of urgency and impatience, and I think there is a great deal more to be done,” said Dr Wilmore-Schaeffer.

“I think this sense of urgency comes from those who are involved in the process of looking at the destination, the place that they want to be at, and feeling that they are very far from it.”

During their visit here the two had numerous conversations with both staff members and students.

“I have been most impressed by the students who I think are ready to make changes in many different ways – I am talking about students of all racial groups and gender. The fact that they are referring to transformation as ‘their struggle’ shows that they are prepared to make changes,” said Dr Wilmore-Schaeffer.
She, however, cautioned that there were those who were still against transformation taking place at the university.

“I think there is still some resistance from some quarters on both sides of the fence and I would expect that at this point in time. I think what is really hopeful is that there are so many students who are ready to make the changes, who are making the changes, who are struggling with issues around making the changes; and I think that is really the hope for the university and the hope for the future,” she said.

“The resistance is complex,” added Rev. Dr Streets. “It is around a fear for the future, the loss of identity on the part of both black and white students, and the desire for cultural continuity amongst white students as well as amongst a variety of ethnic black students.

“The resistance is about learning that you are not the only kid on the block anymore and how you then overcome the feeling of realising that you are not the dominant person anymore and that your culture is not the dominant culture anymore.”

They have given a preliminary report of their findings to the Rector and Vice-Chancellor of the UFS, Prof. Jonathan Jansen, which will be followed by a more detailed report later on.
 

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