Coronavirus COVID-19 Antibodies

£70.00+ visit fee (from £24.00)

CAVH

15 minutes

BloodSwab
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This 15-minute blood test at home is used to detect antibodies to the COVID-19 virus to see if it’s likely that you have had the virus before. The test works by taking a blood sample and testing for the presence of antibodies (Ig M and Ig G separately) to see if you have developed an immune response to the virus. Antibody tests differ to virus swab tests, which test to see if you currently have the virus. An antibody test cannot test if you currently have the virus.


Is this test for you? 


Since an infection with the virus often goes without symptoms, many people do not know that they have already been infected with SARS-CoV-2. Therefore, a high number of unreported cases is assumed. An antibody test can provide more clarity here.


Note: If you have symptoms of COVID-19 please visit https://www.gov.uk/get-coronavirus-test to get a free test. You can check your symptoms here https://www.nhs.uk/conditions/coronavirus-covid-19/symptoms/.

About

The COVID-19 outbreak is a rapidly evolving situation and information, and guidance is therefore updated frequently.


Please visit nhs.uk/coronavirus for the latest health advice or gov.uk/coronavirus for all other information.


Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is an enveloped, single-stranded RNA virus of the family Coronaviridae. Coronaviruses share structural similarities and are composed of 16 non-structural proteins and 4 structural proteins: spike (S), envelope (E), membrane (M), and nucleocapsid (N). Coronaviruses cause diseases with symptoms ranging from those of a mild common cold to more severe ones such as Coronavirus Disease 2019 (COVID-19) caused by SARS-CoV-2.


SARS-CoV-2 is transmitted from person-to-person primarily via respiratory droplets, while indirect transmission through contaminated surfaces is also possible. The virus accesses host cells via the angiotensin-converting enzyme 2 (ACE2) receptor, which is most abundant in the lungs.


The incubation period for COVID-19 ranges from 2 - 14 days following exposure, with most cases showing symptoms approximately 4 - 5 days after exposure. The spectrum of symptomatic infection ranges from mild (fever, cough, fatigue, loss of smell and taste, shortness of breath) to critical. While most symptomatic cases are not severe, severe illness occurs predominantly in adults with advanced age or underlying medical comorbidities and requires intensive care. Acute respiratory distress syndrome (ARDS) is a major complication in patients with severe disease. Critical cases are characterized by e.g., respiratory failure, shock and/or multiple organ dysfunction, or failure.

Procedure

A blood sample taken by a finger-prick to produce high performance results within 10-15 minutes in a point of care setting. No test preparation is needed.

Methodology

Our healthcare practitioners are using Point-of-Care Roche SARS-CoV-2 Rapid Antibodies Assay, a rapid chromatographic immunoassay intended for qualitative detection of IgM and IgG antibodies.


When performed at least 14 days after symptom onset, the test has a sensitivity of 99.03%. Test specificity is 98.65%.

Interpretation

There are a few different types of results with (serological) antibody testing. 4 different possible outcomes:

  • Both IgM and IgG are negative: The patient has never been infected with COVID-19 or is still in the incubation period.
  • IgM is positive, but IgG is negative: The patient is having an early phase, active COVID-19 infection.
  • IgM is negative, but IgG is positive: The patient has recently been infected with COVID-19 and now has protection against COVID-19.
  • Both IgM and IgG are positive: The body has an active COVID-19 infection and is trying to build up protection against it.


See more details on what a virus test result means.


If somebody subsequently develops symptoms after receiving a negative result after being tested when not displaying symptoms, they must self-isolate and be re-tested.


Regardless of your antibody test result you must continue to follow the same guidelines as everyone else to protect yourself and others from the virus. For example:

  • wash your hands often
  • follow social distancing and face covering advice
  • follow any local lockdown restrictions in your area
  • follow the rules on when to get tested and when to self-isolate

Limitations

No test is 100% reliable. The results are also only relevant to that sample at that point in time.


It’s important to understand the limitations of COVID-19 tests, because an incorrect or misinterpreted result can lead to a false sense of reassurance. For example, if you are infected with the virus but the test you use produces a false negative result (it says you do not have the virus even though you do), you may unknowingly spread the virus to other people or not seek the treatment you may need.

Disclaimer

The laboratory test results are NOT to be interpreted as results of a "stand-alone" test. The test results have to be interpreted after correlating with suitable clinical findings and additional supplemental tests/information. Your healthcare providers will explain the meaning of your tests results, based on the overall clinical scenario. Certain medications that you may be currently taking may influence the outcome of the test. Hence, it is important to inform your healthcare provider of the complete list of medications (including any herbal supplements) you are currently taking. This will help the healthcare provider interpret your test results more accurately and avoid unnecessary chances of a misdiagnosis.

Why not purchase the bundle for big savings

  • Coronavirus COVID-19 Screen

    £189.00

    2 tests included

    Save £31.00 when you purchase the bundle

    View Details

How it works

  • Book a visit

    Contact us via our website, email or phone to book your visit. A visit fee will apply depending on your location, regardless of required service(s).

  • Meet our medic

    We come to you on the day your visit is booked. Our medic will have all the required equipment to provide medical care to you and your family at your home, work, or a place of your choice.

  • Get the results

    We deliver results electronically via email, or by post to you and your doctor, if requested. Our medics can liaise with your doctor to help you get the care you need.