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Delhi Could Be Heading Towards Attaining ‘Herd Immunity’, Indicates Latest Sero-Survey

According to experts, herd immunity implies that in any set of people in a community, after becoming affected by the virus, many of them become immune to it, on account of antibodies developed in response to it

Delhi Could Be Heading Towards Attaining 'Herd Immunity', Indicates Latest Sero-Survey
Highlights
  • First sero-prevalence, done from June 27-July 10 by the Delhi government
  • Result of survey done in August showed 29.1 per cent people had antibodies
  • The pandemic situation in the city is now under control: Delhi Government

New Delhi: The outcome of the fifth round of sero-prevalence survey in the national capital has indicated that Delhi population could be heading towards attaining herd immunity against coronavirus infection, sources said on Monday (January 25). The survey has found that in one district, 50-60 per cent of the sampled population has developed antibodies to COVID-19, they said. For the survey, which ended a few days ago, samples of over 25,000 people from various districts across the city were collected, the officials said.

Also Read: Home Health Care Services On Rise Due To COVID-19 Pandemic: Experts

Delhi’s population is over two crore, spread across 11 districts.

In one district, the sero-prevalence rate is between 50-60 per cent, indicating a large number of people have developed antibodies, so we can say the city is moving towards attaining herd immunity, a source said without disclosing the name of the district.

Experts say herd immunity is said to have been developed in a population segment if 50-60 per cent of those are found to have the presence of antibodies in a sero-prevalence survey. Herd immunity implies that in any set of people in a community, after becoming affected by the virus, a lot many of them become immune to it, on account of antibodies developed in response to it.

And, hence, such people become a protective layer between the infected person and unaffected people, thereby breaking the chain of viral transmission. This is the fifth such exercise that was conducted here, but the Delhi government has not given any official version on it.

The first sero-prevalence, done from June 27-July 10 by the Delhi government in association with the National Centre for Disease Control (NCDC), had used 21,387 samples and found that around 23 per cent of the people surveyed had an exposure to the novel coronavirus.

Also Read:  Immune System Of Recovered COVID-19 Patients May Evolve To Fight Coronavirus Variants: Study

The exercise in August showed 29.1 per cent people had antibodies. Also, 79 of 257 people who had tested COVID-19 positive and then recovered, and were part of the sero-prevalence survey done in the first week of August, however, did not have the antibodies against the virus, according to a report released later.

In the survey in September and October, the figures stood at 25.1 per cent and 25.5 per cent in October. The exercises were undertaken for a comprehensive assessment of the COVID-19 situation in Delhi and to formulate strategies based on its findings. Delhi recorded 185 fresh COVID-19 cases on Sunday, the third time the daily incidence count stood below the 200-mark in January, even as the positivity was recorded at 0.30 per cent. Health Minister Satyendar Jain recently said the pandemic situation in the city is now under control. The infection tally in the city stood at over 6.33 lakh and the death toll mounted to 10,808 with nine new fatalities on Sunday.

Also Read: ASHA, India’s Female Health Workers On Rural Front Line Get COVID-19 Shot In The First Phase

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

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World

26,58,63,058Cases
22,65,37,591Active
3,40,69,608Recovered
52,55,859Deaths
Coronavirus has spread to 196 countries. The total confirmed cases worldwide are 26,58,63,058 and 52,55,859 have died; 22,65,37,591 are active cases and 3,40,69,608 have recovered as on December 6, 2021 at 5:12 am.

India

3,46,41,561 8,306Cases
98,416739Active
3,40,69,608 8,834Recovered
4,73,537 211Deaths
In India, there are 3,46,41,561 confirmed cases including 4,73,537 deaths. The number of active cases is 98,416 and 3,40,69,608 have recovered as on December 6, 2021 at 2:30 am.

State Details

State Cases Active Recovered Deaths
Maharashtra

66,38,778 707

10,826 23

64,86,782 677

1,41,170 7

Kerala

51,65,921 4,450

44,110 317

50,80,211 4,606

41,600 161

Karnataka

29,98,099 456

7,161 120

29,52,708 330

38,230 6

Tamil Nadu

27,30,516 724

8,041 29

26,85,946 743

36,529 10

Andhra Pradesh

20,73,730 154

2,122 27

20,57,156 177

14,452 4

Uttar Pradesh

17,10,475 24

134 18

16,87,430 6

22,911

West Bengal

16,19,257 620

7,639 17

15,92,074 627

19,544 10

Delhi

14,41,358 63

370 48

14,15,890 15

25,098

Odisha

10,50,249 189

2,154 25

10,39,673 212

8,422 2

Chhattisgarh

10,06,967 25

330 4

9,93,044 21

13,593

Rajasthan

9,54,891 17

221 8

9,45,715 9

8,955

Gujarat

8,27,707 48

349 23

8,17,263 24

10,095 1

Madhya Pradesh

7,93,241 9

133 9

7,82,580 18

10,528

Haryana

7,71,819 22

185 5

7,61,580 17

10,054

Bihar

7,26,237 6

26 4

7,14,121 2

12,090

Telangana

6,76,943 156

3,787 8

6,69,157 147

3,999 1

Assam

6,17,576 101

2,490 61

6,08,966 158

6,120 4

Punjab

6,03,488 37

361 14

5,86,519 23

16,608

Jharkhand

3,49,342 25

127 12

3,44,074 13

5,141

Uttarakhand

3,44,353 8

174 1

3,36,768 7

7,411

Jammu And Kashmir

3,37,807 161

1,706 25

3,31,620 184

4,481 2

Himachal Pradesh

2,27,518 35

755 45

2,22,911 80

3,852

Goa

1,79,174 49

412 18

1,75,375 31

3,387

Mizoram

1,36,454 92

3,101 454

1,32,846 544

507 2

Puducherry

1,29,085 29

280 14

1,26,930 43

1,875

Manipur

1,25,360 32

353 9

1,23,025 40

1,982 1

Tripura

84,858 5

90 1

83,943 6

825

Meghalaya

84,583 9

244 2

82,864 11

1,475

Chandigarh

65,488 7

58 2

64,610 9

820

Arunachal Pradesh

55,293 5

36 4

54,977 1

280

Sikkim

32,369 10

215 2

31,749 8

405

Nagaland

32,136

117 9

31,320 9

699

Ladakh

21,714 31

295 3

21,204 34

215

Dadra And Nagar Haveli

10,683

0 0

10,679

4

Lakshadweep

10,404

10 0

10,343

51

Andaman And Nicobar Islands

7,688

4 2

7,555 2

129

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1 Comment

1 Comment

  1. Crytonic

    January 26, 2021 at 7:42 pm

    Good information , let’s see
    we have to be together for this .
    https://crytonic.com/

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