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Positive antibody checks not proof of immunity – Home Health Choices

Mumbai: The antibody checks used to examine if an individual has developed immunity to Covid-19 infections is probably not useful as “immunity passports” by people as there may be lack of readability on long-term immunity towards the disease, in keeping with Raman Gangakhedkar, the top of epidemiology and communicable ailments on the Indian Council of Medical Research.

Gangakhedkar’s assertion got here throughout a webinar organized by the National Cancer Grid, in a presentation on the evolution of the testing protocol of the federal government for the virus outbreak. Gangakhedkar is likely one of the key members of ICMR driving India’s Covid-19 technique. “There islack of clarity if these tests can be used as immunity certificates because we lack evidence,” stated Gangakhedkar, including that ICMR has capped the charges for these kits at ₹214.

In a revised testing standards be aware on June 23, ICMR steered that authorities organizations, personal hospitals and places of work can carry out antibody testing on their workers as it will assist in allaying the concern and anxiousness of well being care staff, workplace workers and so forth.

Following the advisory, the Maharashtra authorities, too, issued a notification saying organizations might use antibody checks on these workers returning to work.

On the evolution of testing in India, Gangakhedkar stated that the National Institute of Virology lab in Pune began doing reverse transcription polymerase chain response (RT-PCR) checks from January, however the check load then was erratic.

On issues over false negatives thrown up by RT-PCR checks, the scientist stated there have been a number of causes, together with if samples are taken incorrectly, low viral load, sufferers who’re asymptomatic and samples not being examined inside 72 hours.

There are quite a few diagnostic challenges, and India has coped with them effectively over the past 5 months, stated Gangakhedkar.

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