GMCH serosurvey: 79.4% of Chandigarh’s adult population has antibodies

Preliminary results of serosurvey of the adult population of ChandigarhConducted by the Department of Biochemistry, GMCH-32, has revealed the presence of IgG antibodies against SARS-CoV-2 in 79.4 percent of the adult population of Chandigarh.

The study aimed to collect 1,200 samples from 30 randomly selected clusters in Chandigarh, which would include a population-based representation of urban, rural and resettlement colonies.

Of the 132 participants from rural areas tested so far, 91 have tested positive (68.8 per cent) for the presence of IgG antibodies against SARS-CoV-2. Similarly, in five clusters tested so far in eight clusters and colonies in urban areas, sero prevalence has been found to be 83.5 per cent and 79.8 per cent respectively.

Thus seropositivity is found to be higher in urban areas than in rural areas. Seropositivity indicates that antibodies against SARS-Co have evolved naturally in the following: COVID-19 After infection or vaccination.

Dr Jasbinder Kaur, Director of GMCH-32 and Head of the Department of Biochemistry, says that the full results of the study will provide a more accurate reflection of the true extent of SARS-CoV-2 sero-prevalence among the adult population. Chandigarh.

She adds, this will help us understand the prevalence of the disease, as well as the immune response to COVID vaccination and enable health officials to develop better mitigation strategies for disease prevention and control.

“We have completed the sample collection, and final testing is being done. The serosurvey has been a team effort, with four investigators, technicians, doctors, working for over a month and we have done our share.

challenges. People themselves did not come forward for this serosurvey, many feared, seeing the teams, they would close the door. But the team worked with people to ensure that all the samples were collected in about a month and the effort has been worth it,” says Dr Kaur.

While he agrees that the serosurve results show that a large population of the Union Territory has been infected with COVID-19 earlier, and that we could have achieved herd immunity, Dr Kaur says about the third wave It is too early to say anything, since the virus is very unpredictable and new mutations can occur, we cannot let our guard down and have to strictly follow COVID-appropriate behavior and get vaccinated.

“The results give us hope to brave another wave, but we can’t be harsh,” she says.

Meanwhile, PGIMER Director Professor Jagat Ram said the latest results of the serosurvey for pediatric patients in the age group of 6-18 years, which began on June 24, show that 67.4 per cent are children in sectoral areas, 74.3 per cent are children. 73.2 percent in rural areas and in city colony areas who have COVID-19 antibodies.


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