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Antibodies Against Coronavirus Stay In Body For At Least 60 Days: Study

A sero-survey found that antibodies persisted in the recovered patient’s body for at least 60 days, depending on when the participant was infected or came in touch with infected people.

Antibodies Against Coronavirus Stay In Body For At Least 60 Days: Study
Highlights
  • Sero-survey was conducted at a leading Delhi hospital for over 5 months
  • A total of 780 samples were used for the serological testing
  • The survey also included hospital workers and healthcare professionals

New Delhi: A sero survey conducted at a leading hospital here over five months has found that the prevalence of antibodies, in a person who has recovered from coronavirus infection, persists for 60-80 days. The survey found that antibodies persisted in the recovered patient’s body for at least 60 days, depending on when the participant was infected or came in touch with infected people. The participants of the sero survey, jointly done by the Max Hospital and Institute of Genomics and Integrative Biology, under the Council for Scientific and Industrial Research (CSIR), will again be tested to assess how long the anti-bodies last in the person who contracted COVID-19, said Shantanu Sengupta, the IGIB scientist who conducted the study.

Also Read: Delhi Sero Survey Results: 29.1 Per Cent People Have Developed Antibodies Against COVID-19, Says Health Minister

A total of 780 samples were used for the serological testing which include hospital workers and individuals who visited the hospital during the pandemic. Our study results confirm that anti SARS-CoV-2 antibodies could remain for more than 60 days in the body. This is a step forward towards better understanding of the infection recovery and re-infection pattern. There is a need for larger follow-up studies to further assess how long the antibodies remain stabilised in the body, Sengupta said.

Sujeet Jha of the Institute of Endocrinology, Diabetes, and Metabolism Max Healthcare, Max Super Speciality Hospital, Saket, said,

This study, being a longitudinal study, would help us to understand if asymptomatic or symptomatic sero postive individuals are protected for COVID-19 and if yes, for how long.

Also Read: 40 Per Cent Recovered COVID-19 Patients In Ahmedabad Lost Antibodies: Survey 

In total, 448 staff — physicians (59), nurses (70), administrative staff (15), front office (12), catering (17), housekeeping (46), security (9), laboratory (45), pharmacy (8), general duty assistant (28), engineering (21), home care (5), research (19), and others (94) from different hospital units participated in the study. There were 65.8 per cent males and 34.1 per cent females among the hospital staff. From the general population — those who visited the hospital — 332 individuals (77.1 per cent males and 22.9 per cent females) also participated in the study.

We observed an increasing trend of seropositive cases amongst the hospital staff, over a period of four months, from April to July which was expected and is a reflection of the increased spread of the infection in these months. Among the HCWs (healthcare workers), the sero prevalence increased from April (2.3 per cent) to July (50.6 per cent). The cumulative sero prevalence observed in the study is 16.5 per cent (74/448). The prevalence observed in the general population is 23.5 per cent (78/332), the study said.

The sero survey conducted in the city from June 27 to July 10 found that nearly 23 per cent people had antibodies against coronavirus. Another survey conducted in the city last month saw the number going up to 29 per cent.

NDTV – Dettol Banega Swasth India campaign is an extension of the five-year-old Banega Swachh India initiative helmed by Campaign Ambassador Amitabh Bachchan. It aims to spread awareness about critical health issues facing the country. In wake of the current COVID-19 pandemic, the need for WASH (WaterSanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign highlights the importance of nutrition and healthcare for women and children to prevent maternal and child mortality, fight malnutrition, stunting, wasting, anaemia and disease prevention through vaccines. Importance of programmes like Public Distribution System (PDS), Mid-day Meal Scheme, POSHAN Abhiyan and the role of Aganwadis and ASHA workers are also covered. Only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diahorrea and become a Swasth or healthy India. The campaign will continue to cover issues like air pollutionwaste managementplastic banmanual scavenging and sanitation workers and menstrual hygiene

World

24,36,58,646Cases
20,51,42,869Active
3,35,67,367Recovered
49,48,410Deaths
Coronavirus has spread to 195 countries. The total confirmed cases worldwide are 24,36,58,646 and 49,48,410 have died; 20,51,42,869 are active cases and 3,35,67,367 have recovered as on October 25, 2021 at 4:04 am.

India

3,41,89,774 14,306Cases
1,67,6954,899Active
3,35,67,367 18,762Recovered
4,54,712 443Deaths
In India, there are 3,41,89,774 confirmed cases including 4,54,712 deaths. The number of active cases is 1,67,695 and 3,35,67,367 have recovered as on October 25, 2021 at 2:30 am.

State Details

State Cases Active Recovered Deaths
Maharashtra

66,02,961 1,410

27,506 128

64,35,439 1,520

1,40,016 18

Kerala

49,15,331 8,538

77,964 3,191

48,08,775 11,366

28,592 363

Karnataka

29,85,986 388

8,740 203

29,39,239 586

38,007 5

Tamil Nadu

26,95,216 1,127

13,034 246

26,46,163 1,358

36,019 15

Andhra Pradesh

20,63,577 400

5,102 120

20,44,132 516

14,343 4

Uttar Pradesh

17,10,095 13

103 9

16,87,093 4

22,899

West Bengal

15,86,455 989

7,882 151

15,59,518 828

19,055 10

Delhi

14,39,603 37

320 14

14,14,192 51

25,091

Odisha

10,38,411 447

4,185 33

10,25,917 410

8,309 4

Chhattisgarh

10,05,847 20

219 11

9,92,056 31

13,572

Rajasthan

9,54,402 2

31 1

9,45,417 3

8,954

Gujarat

8,26,418 16

164 4

8,16,167 20

10,087

Madhya Pradesh

7,92,749 9

85 6

7,82,141 3

10,523

Haryana

7,71,157 16

127 12

7,60,981 4

10,049

Bihar

7,26,058 4

38 2

7,16,359 2

9,661

Telangana

6,70,274 135

3,950 34

6,62,377 168

3,947 1

Assam

6,08,589 139

3,857 111

5,98,759 244

5,973 6

Punjab

6,02,209 20

229 2

5,85,429 22

16,551

Jharkhand

3,48,627 35

224 22

3,43,268 13

5,135

Uttarakhand

3,43,821 6

163 6

3,36,259 11

7,399 1

Jammu And Kashmir

3,31,638 72

866 4

3,26,343 68

4,429

Himachal Pradesh

2,22,638 69

1,496 82

2,17,406 149

3,736 2

Goa

1,77,886 34

545 29

1,73,983 63

3,358

Puducherry

1,27,735 61

467 10

1,25,411 49

1,857 2

Manipur

1,23,292 63

931 30

1,20,450 89

1,911 4

Mizoram

1,17,419 158

8,080 863

1,08,927 1,016

412 5

Tripura

84,389 5

98 3

83,475 8

816

Meghalaya

83,371 49

639 56

81,286 102

1,446 3

Chandigarh

65,323 2

28 1

64,475 1

820

Arunachal Pradesh

55,089

132 10

54,677 10

280

Sikkim

31,900 32

200 5

31,306 27

394

Nagaland

31,712 5

243 7

30,790 12

679

Ladakh

20,904 5

37 1

20,659 6

208

Dadra And Nagar Haveli

10,679

4 0

10,671

4

Lakshadweep

10,365

0 0

10,314

51

Andaman And Nicobar Islands

7,648

6 2

7,513 2

129

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