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Larger Population Surveys Required For Deeper Understanding Of COVID-19, Its Antibody Response: Experts

The Union Health Ministry on Tuesday (July 20) informed that the fourth round of the National Sero-survey has been conducted and the overall seroprevalence in the country is at 67.6 per cent

Larger Population Surveys Required For Deeper Understanding Of COVID-19, Its Antibody Response: Experts
Highlights
  • Fourth national sero-survey was conducted in 70 districts in June-July 2021
  • Over 30,000 residents and healthcare workers were a part of the survey
  • 40 crore people who are still vulnerable to COVID-19 infect40 crion: Survey

New Delhi: After the release of the fourth round of the National Sero Survey results, health experts believe that larger population surveys are required for a deeper understanding of COVID-19 and its antibody response. The Union Health Ministry on Tuesday (July 20) informed that the fourth round of the National Sero Survey has been conducted and the overall seroprevalence in the country is at 67.6 per cent. Speaking to ANI, Dr Rahul Tambe, Senior Consultant, Internal Medicine and Infectious Disease, Nanavati Max Super Speciality, Mumbai said,

Although over 28,975 residents and 7,252 healthcare workers were a part of the sero-surveillance, larger population surveys are required for deeper understanding of COVID-19 and antibody response.

Also Read: What Does The Sero Survey 4 Tell Us About The Third Wave Of COVID-19? Experts Explain

“Residents should continue to remain cautious about disease spread because we are still unaware about the incidence rate of different variants and its co-relation with antibody response. Most importantly, the presence of antibodies does not guarantee 100 per cent protection against COVID infection. So as aptly communicated by ICMR, though the results are a ray of hope, there is no room for complacency,” emphasised Dr Tambe.

The fourth round of national serosurvey was conducted in 70 districts in June-July and significantly it included children between 6-17 years of age, according to Union Health Ministry. In unvaccinated, the seroprevalence was 62.3 per cent and with one dose of vaccine, it was 81 per cent. In those who received both doses, it was 89.8 per cent.

Also Read: COVID Vaccination: Everyone Above The Age Of 18 Expected To Get Jabs By December, Says Centre

Dr Sonam Solanki, Pulmonologist and Bronchoscopist, Wockhardt Hospital, Mumbai stressed for aggressive vaccination drive.

The study conducted in 70 districts across 21 states showed similar results in both urban and rural areas. Even though our current recorded daily cases are low, we still have 40 crore people who are vulnerable to COVID-19 infection and 50 per cent of children who do not have antibodies. Instead of becoming relaxed looking at the numbers and relaxation of the lockdown, aggressive vaccination drive should be our focus, Dr Solanki told ANI.

Various health experts shed light on the fact that 10 per cent of the healthcare workers are still not vaccinated and that gap needs to be covered immediately. Speaking to ANI, Dr Soumik Goswami, Faculty, Department of Endocrinology, NRS Hospital, Kolkata said,

Matter is still very serious because even if 10 per cent of those 40 crores were infected that amounts to 4 crores and if one per cent of those four crores requires hospitalisation that will create a huge demand on our infrastructure. Hence there is no room for complacency.

Also Read: May Need COVID-19 Vaccine Booster Shots For Emerging Variants Of Novel Coronavirus: AIIMS Chief

The trend of the last few days shows overall cases have plateaued in India but has not actually dipped. Unless the vaccination rate goes up, it would be difficult to tackle the mortality, Dr Goswami observed. “Moreover it is a sample survey that took around 35,000 individuals from a country of 136 crore individuals so it may not reflect the reality across all parts of the country,” pointed out Dr Goswami.

Implications of the fourth serosurvey clearly show that there is a ray of hope but there is no room for complacency, the Indian Council of Medical Research (ICMR) observes. Earlier, ICMR Director-General Dr Balram Bhargava had informed about the third national serosurvey that was conducted before vaccination started, in the period between December 17, 2020 and January 8, 2021. At that time, overall seroprevalence was 21.5 per cent of the population, which includes 31.7 per cent of urban slums, 26.2 per cent of urban non-slum and 19.1 per cent of rural areas.

Also Read: COVID-19 Pandemic Could Explode Due To Crowding During Festive Season: AIIMS Doctor

(This story has not been edited by NDTV staff and is published from a syndicated feed.)

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World

22,95,44,435Cases
19,20,52,504Active
3,27,83,741Recovered
47,08,190Deaths
Coronavirus has spread to 195 countries. The total confirmed cases worldwide are 22,95,44,435 and 47,08,190 have died; 19,20,52,504 are active cases and 3,27,83,741 have recovered as on September 22, 2021 at 3:49 am.

India

3,35,31,498 26,964Cases
3,01,9897,586Active
3,27,83,741 34,167Recovered
4,45,768 383Deaths
In India, there are 3,35,31,498 confirmed cases including 4,45,768 deaths. The number of active cases is 3,01,989 and 3,27,83,741 have recovered as on September 22, 2021 at 2:30 am.

State Details

State Cases Active Recovered Deaths
Maharashtra

65,27,629 3,131

44,269 960

63,44,744 4,021

1,38,616 70

Kerala

45,39,926 15,768

1,61,765 5,813

43,54,264 21,367

23,897 214

Karnataka

29,69,361 818

13,769 617

29,17,944 1,414

37,648 21

Tamil Nadu

26,48,688 1,647

16,993 9

25,96,316 1,619

35,379 19

Andhra Pradesh

20,40,708 1,179

13,905 483

20,12,714 1,651

14,089 11

Uttar Pradesh

17,09,693 13

194 0

16,86,612 13

22,887

West Bengal

15,62,710 537

7,741 69

15,36,291 592

18,678 14

Delhi

14,38,556 39

400 21

14,13,071 18

25,085

Odisha

10,21,216 462

4,844 103

10,08,226 560

8,146 5

Chhattisgarh

10,05,120 26

297 0

9,91,260 26

13,563

Rajasthan

9,54,275 12

99 8

9,45,222 4

8,954

Gujarat

8,25,751 14

133 0

8,15,536 14

10,082

Madhya Pradesh

7,92,410 8

90 6

7,81,803 14

10,517

Haryana

7,70,754 8

328 12

7,60,618 20

9,808

Bihar

7,25,907 6

60 9

7,16,188 15

9,659

Telangana

6,63,906 244

4,938 53

6,55,061 296

3,907 1

Punjab

6,01,359 36

304 3

5,84,554 37

16,501 2

Assam

5,98,864 441

5,081 97

5,87,970 338

5,813 6

Jharkhand

3,48,139 14

65 10

3,42,941 4

5,133

Uttarakhand

3,43,405 12

249 18

3,35,765 29

7,391 1

Jammu And Kashmir

3,28,214 145

1,450 11

3,22,345 154

4,419 2

Himachal Pradesh

2,17,403 263

1,715 99

2,12,033 162

3,655 2

Goa

1,75,690 107

886 76

1,71,507 29

3,297 2

Puducherry

1,25,618 101

922 55

1,22,864 46

1,832

Manipur

1,18,870 197

2,174 9

1,14,861 203

1,835 3

Tripura

83,956 51

353 7

82,794 44

809

Mizoram

82,815 1,355

15,363 223

67,184 1,127

268 5

Meghalaya

79,817 150

1,878 18

76,558 167

1,381 1

Chandigarh

65,195 7

44 3

64,333 4

818

Arunachal Pradesh

54,190 64

413 3

53,504 60

273 1

Sikkim

31,014 43

627 27

30,007 70

380

Nagaland

30,959 52

470 3

29,832 46

657 3

Ladakh

20,743 6

144 6

20,392

207

Dadra And Nagar Haveli

10,670

0 0

10,666

4

Lakshadweep

10,360 1

9 1

10,300

51

Andaman And Nicobar Islands

7,607 7

17 4

7,461 3

129

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