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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

Judge Albie Sachs and Candice Mama discuss traumas of the past and forgiveness in the present
2015-08-05

 

Judge Albie Sachs embraces Candice Mama for her courage in confronting Eugene de Kock, who killed her father.

Two generations. Two stories of triumph. Two South Africans who have displayed immense courage.

Public Dialogue on Trauma, Memory, and Representations of the Past

Judge Albie Sachs and Candice Mama exchanged their experiences of past trauma and subsequent transformation in a public conversation. The event was co-hosted by Prof Pumla Gobodo-Madikizela and The Institute for Justice and Reconciliation (IJR) in Cape Town on Thursday 30 July 2015.

The event was the first instalment in a series entitled Public Dialogue on Trauma, Memory, and Representations of the Past. The theme of the discussion was ‘Intergenerational Dialogue on Trauma and Healing’.

"The aim of these public dialogue events we are co-hosting with IJR is to place the issues of trauma and memory, and the strategies that individuals and communities use to heal, in the public sphere," Prof Gobodo-Madikizela, Senior Research Professor in Trauma, Forgiveness, and Reconciliation Studies at the University of the Free State (UFS) said.

Judge Albie Sachs and Candice Mama in conversation

Former Constitutional Court Judge, Albie Sachs, talked about his participation in South Africa’s liberation struggle, the loss of his right arm in an assassination attempt, and meeting the man responsible – Henri van der Westhuizen. Despite years of exile and extended periods of solitary confinement, Judge Sachs maintains that “we need to acknowledge our history, not be trapped by it.” Judge Sachs also remarked, though, that “we’re seeing too much lamentation, not enough activation.” In a heartrending gesture, Judge Sachs embraced Candice Mama in a hug for her courage in confronting Eugene de Kock, who killed her father.

How poignant then, when Mama said, “I wanted to embrace the brokenness within him,” when she spoke about her meeting with De Kock. By the time I met with Eugene, I could meet him as a human being, not as a villain.” Mama believes that forgiving someone translates into an investment in the person you are forgiving and in your own sanity. She also emphasised the importance of dialogue to move our country forward: “When we share our stories with each other authentically, walls break down.”

This is a stance that Prof Gobodo-Madikizela supports strongly: “When we listen to one another, something unexpected emerges; we encounter the human in each other,” she said. “When we listen with open hearts to each other, we see and experience each other’s humanity.”

Building a bridge between research and society

Referring to the research aspect of the event, Prof Gobodo-Madikizela said that, "in establishing the series of public dialogue events, our vision is to create a bridge between scholarly research and the community at large, on the one hand, and a visual conscience of society, on the other." The UFS is collaborating with the IJR on this research project, which is funded by the Andrew W. Mellon Foundation. The endeavour is led by Prof Gobodo-Madikizela, who also serves as Board Member of the IJR.

 

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