12% Infected In TN After Taking Two Vaccine Doses: Reports

Of the 1,159 samples sent, the DPH has submitted reports of 554 samples in which Delta variant was observed in 70 per cent.

Chennai: About 12% people were infected with Covid-19 in Tamil Nadu after taking two doses of vaccination, said a government report released on Sunday. The state had sent 1,159 samples to the Institute for Stem Cell Science and Regenerative Medicine (InSTEM) in Bengaluru, for Whole Genome Sequencing (WGS). Of the 554 samples for which results have been received, 66 were cases of infection after full vaccination. Among them 70 per cent were infected by delta variants. 

The Director of Public Health (DPH) released the details in a report. According to DPH, 1,159 samples were sent between December 2020 to May 2021 from various districts and of them the results of 554 samples were submitted while the remaining 605 are awaited. Of the 554 samples, Delta variant was observed in 386 samples, which sums up to 70 per cent while 47 samples had Alpha variant. 

The dreadful variant was mostly found among adolescents and adults up to 81 per cent while the rest of 19 per cent was found in children. The samples sent to InSTEM were classified into eight categories — community clusters, family clusters, reinfection cases, vaccination breakthrough cases, children upto 12 years, young adults with severe lung involvements, international travellers and diseased without any co-morbidities.

Delta variant according to clusters:

• 30 per cent in community cluster


• 23 per cent in family cluster


• 76 per cent in children aged upto 12 years


• 83 per cent of the vaccine breakthrough cases were delta variant.