Health Care

Antigen Test For COVID-19: Briefly Explained 

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BROCKTON - AUGUST 13: A nurse practitioner administers COVID-19 tests in the parking lot at Brockton High School in Brockton, MA under a tent during the coronavirus pandemic on Aug. 13, 2020. (Photo by David L. Ryan/The Boston Globe via Getty Images)

COVID -19 has changed everybody’s life in the past two years; the disease has upside-down everything. Not just is it impacting us physically, but it has brought a lot of mental stress too. But prevention is always better than cure. And testing is one of the pillars to identify viruses and then cure them. 

Authorities and healthcare organizations worldwide are under intense pressure to enhance screening capacity to combat the outbreak of COVID-19. One of the challenges the government and healthcare system faces in scaling when doing tests and antigen tests comes as a rescuer. Antigen tests can explore the challenges since they are simple to implement in communities or crowded settings where the virus is growing and provide quick and actionable findings, allowing for increased testing capacity and slowing the infection’s transmission.

Since most people don’t know much about antigen tests in Delhi, the guide will walk you through the same.

What is an Antigen Test, And How Does it Work? 

An antigen is a substance such as a protein that is alien to the body and can cause the immune response to create antibodies against something. An antigen test is employed to determine the access to foreign proteins, which are structure or function elements of a disease and are hence pathogen-specific. The test gives a definite “yes/no” answer to whether the pathogen is present in the sample solution.

If enough of the targeted antigen is present in the solution, it will react to particular antibodies and provide a positive outcome.

What are the Benefits of Antigen Tests?

There is no denying that the antigen test is a powerful weapon against this disease. Below we are listing down all the benefits of antigen tests.

  • Antigen tests are very affordable, and they can assist medical systems in tackling COVID-19 by increasing points of care and lab testing.
  • Rapid antigen testing can also aid in the management of disease transmission in regions where the virus is prevalent, as the findings are available in real-time due to the short timeframe. A patient may self-quarantine within minutes after taking a test, rather than waiting for days for lab findings and possibly exposing others.
  • Scalability is another benefit. The tests are simple to inspect on large groups of people and they don’t require any extra chemicals to run, unlike PCR testing.

When Should Antigen Tests be Used? 

Now it is essential to know when exactly to go for an antigen test in Delhi. When an individual’s viral load is high, such as in the initial stages of illness when people are symptomatic, antigen tests work best. These diagnostics are especially effective in crowded settings like universities or care homes, where quick and repeated screening can help limit the viral spread and safeguard vulnerable people. The test has a high capability of accurately giving a negative result for persons who may not have the disease you’re looking for.

But keep in mind that antigen tests are not as precise as PCR tests, which increase the targeted viral DNA or RNA sequences in an attempt to develop a measurable signal that indicates the virus’s existence in a sample. However, it is vital to go for a PCR test when you come across a negative result. The reason is negative findings should be evaluated in conjunction with extra patient factors, like COVID-19 exposure history, patient characteristics, and additional test results, to help direct the prognosis and treatment of patients, to compensate for the prospective decrease in intolerance of an antigen test.

That’s all! Now you know all about the antigen test in Delhi. Testing is crucial as it can help prevent the spread of the virus. Even if your test results come back clean, you must stay home and isolate yourself from people if you are unwell. Consult your doctor to see whether you need to be inspected again or for guidance on dealing with the symptoms.

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