Antibody tests like the name suggests, are a test for antibodies not viruses; so our COVID-19 Antibody tests don’t look for the presence of the coronavirus. Instead, they find the proteins, or antibodies, that our bodies’ immune systems makes in response to COVID-19.
Our COVID-19 Antibody tests look for two kinds of antibodies that our immune system produces in response to the coronavirus:
1. IgM antibodies
These are short-lived antibodies that our body makes when we are fighting off the COVID-19 infection. These antibodies normally appear from 7 day into fighting off the virus. If you test positive for this antibody it means that you are a new COVID-19 infection and you are contagious for the virus.
These antibodies only stay in your body for a short time and usually disappear a few weeks after your infection. That is why we can use this antibody to pick up if you may be infected with COVID-19. But that is also why it is recommended that should we pick up the IgM antibody you should also use a PCR COVID (infection) test to confirm your infection.
2. IgG antibodies
The presence of IgG antibodies on your test can tell you if your immune system has ever had to fight off COVID-19. These antibodies usually appear in your blood 2 weeks after you recover from the virus.
IgG antibodies stay in your body a long time (sometimes for a lifetime) and help give you immunity against catching the virus again. If you test positive for these antibodies, not only will you know for certain that you had the virus but you will also know that you have some protection against catching the virus again.
To do an antibody test for COVID-19 with Epicentre, you will need to book a test online. You will then drive to our branch and collect your Orient Gene COVID19 IgG/IgM Rapid Test Cassette.
You can purchase as many test kits as you need for your own testing.
Having an antibody test is helpful if:
- You had symptoms of COVID-19 in the past but weren’t tested
- You or one of your staff members may have the novel coronavirus and started symptoms more than 7 days ago
- You have been in close contact with an individual suspected of or confirmed to have COVID-19 and you want to have a quick test done to check your status; or
- You have recovered from COVID-19 2 want to check your immunity
Rather get a PCR test if:
- You are looking to get a test done for an official purpose such as leaving the country, having a medical procedure or flight – as this method testing has not yet been approved for these purposes
- You have been exposed to COVID-19 and started symptoms less than 7 days ago
If you are getting your test done to confirm an infection you should test for COVID-19 7days and onwards after you were exposed to the virus; as you can see on the graph the IgM becomes detectable from the 7th day until the 21st day
If you are testing to confirm your immunity or to check if you had the virus in the past, you can test at any time after your infection is complete.
A Rapid COVID-19 Antibody test can help you:
- Find out if you have ever had COVID-19 in the past
- Find out you are currently having a COVID-19 infection
- If you need to have a very quick test to determine your COVID-19 status
- Find out if you have immunity to the Coronavirus
The Orient Gene COVID-19 IgG/IgM Rapid Test Cassette.
This is the first COVID-19 antibody test that has been approved for use in South Africa. The specificity of this test is 100% and it has a sensitivity of 95.8% for samples collected 10 days or more after the onset of symptoms or a positive PCR (nasal test) result (McAdam, 2020).
Epicentre is now selling Government certified Rapid COVID-19 Antibody tests! Come get tested at an Epicentre branch near you.
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