ICMR advises rapid antibody test for COVID-19 in hotspot are
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The Indian Council of Medical Research (ICMR) advised antibody tests (or blood tests) in areas that are emerging as hot spots of the coronavirus disease (Covid-19), for faster detection of all possible cases in these clusters and help authorities buy some precious time to contain the fast-spreading pandemic.

-- Population in hotspot areas may be tested using a rapid antibody test. And antibody positives to be confirmed by RT-PCR (reverse transcription-PCR) using throat/nasal swab, and antibody negatives to be quarantined at home. This means positive results will be reconfirmed using the PCR test.

-- The ICMR also released a link (www.finddx.org/) having information on all available CE-marked rapid SARS-CoV-2 antibody tests. CE-In Vitro Diagnostic approved kits can be used directly after due approval - Drugs Controller General of India (DCGI) and intimation to ICMR.

The antibody test uses a few drops of blood to determine whether a person has antibodies against the coronavirus. Antibodies in the immune system means the person had the disease at some point in the past, even though the person was never tested for it, and has now recovered.

The test used now --- PCR (polymerase chain reaction) --- identifies the Sars-CoV-2 virus using the throat or nasal swab samples of people with symptoms or high-risk individuals (health workers and family members) who might have come in contact with a Covid-19 patient.

The antibody detection blood test will identify people who already have been infected, but have mild or no symptoms, according to experts who say the move will help us know how many have been able to fight off the infection and have become what could be called a “corona-blocker”. While the results of PCR tests take up to five hours, the antibody test results will be available in 15-30 minutes.

On Thursday, the Union health ministry said it identified 20 existing and 22 potential hotspots in the country, and asserted that although there was no evidence of widespread community transmission, containment measures will require large human resources.

The advisory stressed capacity building, saying identified human resources needs to be trained online in areas such as field surveillance, contact tracing, packaging and shipment of a specimen and hospital infection prevention and control, including the use of appropriate personal protective equipment.

Note : Interim advisory for use of rapid antibody test for COVID-19 in hotspot areas is attached as pdf.

Source: ICMR
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Dr. D●●●●●●s T●●●●s
Dr. D●●●●●●s T●●●●s Pathology
Rapid COVID19 antibody test will take 30minutes and is very inaccurate but antibody by cmia or elfa will take only 45 minutes.Rapid antibody tests can give many false negatives and false positives,and is qualitative while the other is quantitave.
Jun 28, 2020Like