Coimbatore: Seropositivity levels have doubled from 20.5% to 42.8% after the second wave of Covid-19 in the district.
The Sero survey was conducted in July the second week found the IgG (Immunoglobulin) antibody against Covid-19 in 540 people among 1,260 samples, pointing to the level of prisoners of 40%.
This is a massive leap of the Sero survey conducted in February which only saw 22% of people who had antibodies.
Public health director has ordered all districts to examine the survey of the spread of the virus during the second wave and identified a pack of vulnerable to the third wave, which requires more medical attention.
In Coimbatore, 1,260 blood samples from 42 clusters (30 samples per clusters) were collected in the third round of solar survey.people over the age of 18 from the area that reported the Covid-19 cluster during the second wave tested randomly.
“One reason behind the increase in the level of prospitis is that the second wave was infected with three people as the first wave and a random sampling method of selecting the area that reported a relatively large virus cluster,” said an official.
“Another reason for the leap of the pace of the front vaccination is drive.
On going on in the district which began in February, “he said.
The district has done so done two sero surveys this year.
While the April Sero survey found that the level of participation was only 20.47%, the Sero survey in October last year has found the level of peponyitives of 22.15% .epidemiology and members of the expert committee who advised the government in Covid-19 Dr.
Kolandasamy said 40% of these findings were encouraging because of this Shows the extent of the people in the Covid-19 cluster before with resistance to the virus.
“We can assume that their bodies know how to recognize and fight viruses in medium quantities.
It also shows us how far we are on the stripes of the herd, where more than 60% of people need to be immune to the virus and cannot transmit it,” he said.
“We need to learn clusters.
-Wise data to see if there is a cluster that has a very high level of participants and if there is a very low positive level, because the cluster with a positive level of low may be more susceptible to the third wave,” he added.
The sample to assess the level of IgG antibodies is run through the Clia (Chemiluminescent Immunoassay) device at the district health department office on the race line.