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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

Graduation ceremony awaited with great excitement
2011-06-22

Everything is running according to plan on the Bloemfontein Campus of our university for the graduation ceremony of Ms Oprah Winfrey, which is taking place in the Callie Human Centre today, 24 June 2011. 

The graduation ceremony, during which an Honorary Doctorate in Education will be conferred upon Ms Winfrey, promises to be something special. Measured against the smooth course of the preparations, the speed at which the tickets were obtained and the continuous interest amongst UFS staff and students, as well as members of the public, this promises to be a real 2011 highlight for all who are going to attend the event. 

Strict safety and security measures shall be enforced and therefore, ticket holders are requested to make sure that they arrive early on the Bloemfontein Campus. 

The UFS is aware of the fact that tickets are sold illegally at shopping centres in Bloemfontein. Computicket equipment shall be used on the premises tomorrow to ensure that only persons who have original tickets in their possession are admitted. People found to be in possession of forged tickets tomorrow shall be prosecuted. 

The doors of the Callie Human Centre shall open at 13:00 on Friday for ticket holders and shall be closed strictly at 14:00. For safety and security reasons, nobody shall be allowed to enter or leave the building after the doors were closed. 

Although the entrance gates to the Bloemfontein Campus shall not be closed, certain streets on the campus will be closed for some time today (23 June 2011) and the whole of Friday (24 June 2011). More information about this is available at www.ufs.ac.za 

Clear signs, as well as voluntary staff, shall guide parking visitors to their parking spaces. The volunteers were selected after staff of all three campuses offered their assistance for the day. 

Amongst the 4 500 guests attending the graduation ceremony are various well-known personalities and dignitaries, alumni, learners and other stakeholders of the university. Good reaction has also been received from the local, national and international media. 

The programme in the Callie Human Centre is as follows: 

13:00 Doors open
14:00 Doors close
14:30 Opening performances
15:30 Graduation ceremony
16:00 Ms. Winfrey’s speech and question and answer session with students
18:00 Programme ends.
 

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