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Pfizer, Moderna Vaccines Against COVID-19 Highly Effective Even After First Shot: US Study

The study by the US Centers for Disease Control and Prevention (CDC) evaluated the COVID-19 vaccines’ ability to protect against infection, including infections that did not cause symptoms

Pfizer, Moderna Vaccines Against COVID-19 Highly Effective Even After First Shot: US Study
Highlights
  • Study carried out by the US Centers for Disease Control and Prevention
  • This study shows that our national vaccination efforts are working: CDC
  • The study looked at the effectiveness of the mRNA vaccines

COVID-19 vaccines developed by Pfizer Inc with BioNTech SE and Moderna Inc reduced the risk of infection by 80 per cent two weeks or more after the first of two shots, according to data from a real-world study of vaccinated US healthcare personnel and first responders released on Monday (March 29). The risk of infection fell 90 per cent by two weeks after the second shot, the study of just under 4,000 people found.

Also Read: When To Take Second Dose Of The COVID-19 Vaccine, How To Register For It, Government Answers These And Other Questions

The study by the US Centers for Disease Control and Prevention (CDC) evaluated the vaccines’ ability to protect against infection, including infections that did not cause symptoms. Previous clinical trials by the companies evaluated their vaccine’s efficacy in preventing illness from COVID-19.

This study shows that our national vaccination efforts are working, CDC Director Rochelle Walensky said in a statement.

The findings from of the real-world use of these messenger RNA (mRNA) vaccines confirm what was seen in large controlled clinical trials conducted before they received emergency use authorizations from the U.S. Food and Drug Administration.

The study looked at the effectiveness of the mRNA vaccines among 3,950 participants in six states over a 13-week period from Dec. 14, 2020 to March 13, 2021.

The authorized mRNA COVID-19 vaccines provided early, substantial real-world protection against infection for our nation’s healthcare personnel, first responders, and other frontline essential workers, Mr. Walensky said.

The new mRNA technology is a synthetic form of a natural chemical messenger being used to instruct cells to make proteins that mirror part of the novel coronavirus. That teaches the immune system to recognize and attack the actual virus.

Also Read: Government Planning To Bring More Population Groups Under COVID-19 Vaccination Drive: Union Health Minister Harsh Vardhan

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

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

26,78,24,983Cases
22,84,48,447Active
3,40,97,388Recovered
52,79,148Deaths
Coronavirus has spread to 196 countries. The total confirmed cases worldwide are 26,78,24,983 and 52,79,148 have died; 22,84,48,447 are active cases and 3,40,97,388 have recovered as on December 9, 2021 at 3:47 am.

India

3,46,66,241 9,419Cases
94,742 1,009Active
3,40,97,388 8,251Recovered
4,74,111 159Deaths
In India, there are 3,46,66,241 confirmed cases including 4,74,111 deaths. The number of active cases is 94,742 and 3,40,97,388 have recovered as on December 9, 2021 at 2:30 am.

State Details

State Cases Active Recovered Deaths
Maharashtra

66,40,888 893

9,964 157

64,89,720 1,040

1,41,204 10

Kerala

51,78,892 5,038

41,615 887

50,95,263 4,039

42,014 112

Karnataka

29,99,098 399

7,284 155

29,53,565 238

38,249 6

Tamil Nadu

27,32,648 703

7,946 36

26,88,142 728

36,560 11

Andhra Pradesh

20,74,217 181

2,011 3

20,57,749 176

14,457 2

Uttar Pradesh

17,10,502 10

139 7

16,87,452 3

22,911

West Bengal

16,20,803 574

7,576 0

15,93,659 568

19,568 6

Delhi

14,41,514 65

404 28

14,16,010 36

25,100 1

Odisha

10,50,760 255

1,931 11

10,40,403 264

8,426 2

Chhattisgarh

10,07,075 37

341 9

9,93,140 27

13,594 1

Rajasthan

9,54,984 40

236 16

9,45,792 24

8,956

Gujarat

8,27,873 67

417 45

8,17,361 22

10,095

Madhya Pradesh

7,93,288 14

140 1

7,82,619 13

10,529

Haryana

7,71,904 29

223 15

7,61,626 14

10,055

Bihar

7,26,259 9

36 6

7,14,133 3

12,090

Telangana

6,77,546 205

3,871 19

6,69,673 185

4,002 1

Assam

6,18,042 134

2,541 24

6,09,374 158

6,127

Punjab

6,03,578 22

350 0

5,86,614 20

16,614 2

Jharkhand

3,49,383 16

129 7

3,44,113 23

5,141

Uttarakhand

3,44,402 17

192 3

3,36,799 14

7,411

Jammu And Kashmir

3,38,198 151

1,639 38

3,32,070 111

4,489 2

Himachal Pradesh

2,27,753 69

722 14

2,23,174 81

3,857 2

Goa

1,79,307 65

441 37

1,75,478 28

3,388

Mizoram

1,37,377 320

3,049 10

1,33,819 309

509 1

Puducherry

1,29,128 23

230 1

1,27,022 22

1,876

Manipur

1,25,429 23

325 5

1,23,119 28

1,985

Tripura

84,888 14

94 11

83,968 3

826

Meghalaya

84,631 12

240 11

82,916 23

1,475

Chandigarh

65,515 7

67 2

64,628 5

820

Arunachal Pradesh

55,298 3

29 2

54,989 5

280

Sikkim

32,390 8

200 2

31,785 6

405

Nagaland

32,143 1

116 2

31,328 3

699

Ladakh

21,749 14

230 17

21,304 31

215

Dadra And Nagar Haveli

10,683

0 0

10,679

4

Lakshadweep

10,405

11 0

10,343

51

Andaman And Nicobar Islands

7,691 1

3 0

7,559 1

129

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