Public health experts says that it is extremely essential to identify as many infected person as possible to stop the spread of virus and so that the economy can start getting on track. With hundreds of covid 19 test flooding the global market, reliability and accuracy of these tests are a major concern.
As covid is a new disease so the research of information regarding tests, vaccine, treatment and many more is still going on. Several technologies for testing the covid are developing rapidly. These generally include two types of tests-
- Test for individuals who are currently infected
- Test for individuals who were infected in past
Testing for the presence of virus
PCR Test
PCR Tests are the most accurate and reliable test to identify the virus and is recommended by World Health Organization. This test is highly sensitive as sample is taken by inserting a swab in nose or mouth. The test takes relatively a longer time as the sample is send in the laboratory and requires the expertise of medical staff to declare the results.
Antigen Test
Antigen Tests are rapid and inexpensive test which require less complex technology. Actually antigen test looks for virus’s proteins in the respiratory tract of the person using a nasal or throat swab. The procedure to conduct antigen test is similar to pregnancy test or rapid strip test so the results are sometimes less reliable.
Testing for the presence of past infection
Antibody tests or serologic testing
Antibody tell who has been infected with virus and who should be immune to the virus as antibodies are generated after a week or two. In this blood samples are taken as to detect even the small amount of coronavirus that might be circulating in blood.
Dr Lalchandani Labs perform all the types of covid test with utmost accuracy and and hygiene. It is the best diagnostic lab for covid 19 test in delhi as the reports are quick and reliable. Their staff is highly committed and knowledgeable and latest technology and machines are used for the test.