SERO SURVEY Subject : Science & tech Context : India reported over 1.5 crore Covid cases since January, yet no sero surveys announced so far. Concept : The serological survey was meant to detect whether the person being tested had developed antibodies against the coronavirus. Since it is not possible to test everyone, […]

    SERO SURVEY Subject: Science & technology Context: While there were no large surges even during the festival season, ICMR’s third serosurvey found only 21.5% of India has been exposed to the virus. Concept: Sero Surveys The serological survey was meant to detect whether the person being tested had developed antibodies against the coronavirus. […]

Subject : Science & tech Context : Sero prevalence studies, which test for antibodies, tend to throw up higher numbers than PCR tests, and these numbers sometimes vary in different rounds in the same population. Concept : Sero prevalence studies (or sero surveys) estimate the share of the population that test positive for antibodies using […]

Subject : Science & tech Context : Sero surveys to detect antibodies against COVID underestimate building of herd immunity. Concept : What was the serological survey about? The serological survey was meant to detect whether the person being tested had developed antibodies against the coronavirus. Since it is not possible to test everyone, detecting antibodies […]

Subject: Science and tech Context: Around 7% of India’s adult population may have been exposed to the coronavirus till the last fortnight of August, according to the second national sero-survey by the Indian Council of Medical Research (ICMR). Concept: Sero-surveys use tests that examine the liquid part of blood, or ‘serum’. And these tests detect an immune response […]