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66% Of Population Has Covid Antibodies, Says Sero Survey

66% Of Population Has Covid Antibodies, Says Sero Survey

The best seropositivity was noticed in Virudhunagar district at 84 per cent (File)

Chennai:

The third Tamil Nadu Cross Sectional Sero survey in July, masking over 26,000 samples revealed that a minimum of 66.2 % of the inhabitants has developed antibodies to SARS-CoV-2, the virus which causes
COVID-19.

Among the many 26,610 samples examined, 17,624 people had IgG (Immunoglobulin G) antibodies in opposition to SARS-CoV-2 virus.

Whereas the general seroprevalence was 66.2 per cent, the very best seropositivity was noticed in Virudhunagar district at 84 per cent whereas Erode in west Tamil Nadu reported the bottom at 37, in line with the most recent serosuvrey performed by the Directorate of Public Well being and Preventive Drugs in 888 clusters throughout the state.

It was launched by state Minister for Medical and Household Welfare Ma Subramanian within the presence of Principal Well being Secretary Dr J Radhakrishnan and Director of Public Well being (DPH) and Preventive Drugs Dr T S Selvavinayagam on Saturday.

Within the earlier state-wide serosurveys performed by DPH&PM, the seropositivity was 31 per cent in October/November 2020, and 29 per cent (within the second performed in April 2021).

The general seropositivity of 66.2 per cent detected in the course of the third survey might be attributed to numerous doable causes together with the timing of serosurvey performed in the course of the declining part of the Covid second wave in Tamil Nadu, it stated.

“Intense vaccination drives across the state from January 16, 2021 and inclusion of 18+ age individuals for vaccination would have generated protective antibodies in the population. As on June 10, 2021, 97.6 lakh people got vaccinated (either single or double dose) in Tamil Nadu,” the survey report stated.

Western districts like Erode, Coimbatore and Tiruppur reported round 45 per cent seropositivity which might be attributed to the constant reporting of latest COVID-19 circumstances in these areas, it stated.

The serosurvey was efficiently accomplished underneath the supervision of Selvavinayagam and his staff on the state and district degree.

Every cluster consisted of 30 contributors drawn randomly from a village in a rural space or a avenue within the case of an city one.

Blood samples have been collected from a complete of 26,610 contributors and examined for the presence of SARS CoV-2 IgG antibodies utilizing Chemiluminescence based mostly Immuno Assay (CLIA).

All of the samples have been examined at six referral labs of DPH & PM situated in Chennai, Tiruchirappalli, Madurai, Coimbatore, Tirunelveli and Salem for the detection of IgG antibodies.

On Friday, Tamil Nadu reported 1,947 new COVID-19 circumstances taking the general tally to 25,57,611.

With 27 deaths as a result of an infection, the rely rose to 34,050.

Over 2.15 crore individuals have taken the jabs by way of government-run and personal hospitals within the state, up to now.

(Apart from the headline, this story has not been edited by NDTV workers and is printed from a syndicated feed.)

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