How Is Efficacy Different From Effectiveness?

  • 4:51
  • Published On: June 13, 2021
Cinema View
Embed
People still have questions regarding the effectiveness of the Covid vaccines available in India. NDTV gets the answers from Dr Rajinder K Dhamija, WHO Fellow National Institute of Epidemiology.

Related Videos

Children Back To School, But Parents Still Wary
September 05, 2021 21:24
CoWIN Not Just For Registrations, National Health Authority CEO Tells NDTV
August 29, 2021 21:52
Practise These To Stay Covid Safe As Offices, Schools Reopen
August 29, 2021 5:50
Do Antibodies Guarantee Protection Against Covid? Expert Answers
August 28, 2021 4:39
How Long Before You Develop Immunity After Vaccination? Expert Answers
August 27, 2021 5:11
FAQs On Covid Vaccine Side Effects Answered Here
August 27, 2021 4:54
FAQ: Does The Presence Of Covid Antibodies Mean You Are Covid Immune?
August 26, 2021 4:57
Does Presence Of Antibodies Mean Person Is Immune Against Covid? Expert Answers
August 26, 2021 4:36
"Side Effects Of DNA Vaccines Much Less," Says Expert
August 25, 2021 4:29
What The Expert Says On mRNA Vaccine Efficacy
August 25, 2021 4:48
mRNA Vaccines: FAQs On Efficacy, Immunity Answered Here
August 25, 2021 4:45
Vaccinate India, In Partnership With Google
August 24, 2021 6:45
  • NDA 200 And Counting, Set To Thump MVA, Record Landslide Win In Maharashtra
    November 23, 2024 3:13

    NDA 200 And Counting, Set To Thump MVA, Record Landslide Win In Maharashtra

  • Tribals Realised 'New' Demography Will Replace Them: BJP Leader On Jharkhand Election
    November 23, 2024 1:50

    Tribals Realised 'New' Demography Will Replace Them: BJP Leader On Jharkhand Election

  • NDA Crosses Majority Mark In Maharashtra, Ahead In Jharkhand, Show Leads
    November 23, 2024 20:42

    NDA Crosses Majority Mark In Maharashtra, Ahead In Jharkhand, Show Leads

  • NDA Makes Strong Start In Maharashtra, Widens Lead Over Maha Vikas Aghadi
    November 23, 2024 0:21

    NDA Makes Strong Start In Maharashtra, Widens Lead Over Maha Vikas Aghadi

  • Mandate Will Come In Favour Of BJP: Jharkhand BJP Chief Babulal Marandi
    November 23, 2024 0:16

    Mandate Will Come In Favour Of BJP: Jharkhand BJP Chief Babulal Marandi

  • NDA Surges Ahead Of INDIA In Maharashtra, Jharkhand In Early Leads
    November 23, 2024 32:27

    NDA Surges Ahead Of INDIA In Maharashtra, Jharkhand In Early Leads

  • BJP's Babulal Marandi: Mandate Will Come In Favour Of BJP
    November 23, 2024 0:16

    BJP's Babulal Marandi: Mandate Will Come In Favour Of BJP

  • NDA Makes Strong Start In Maharashtra, Widens Lead Over MVA
    November 23, 2024 3:35

    NDA Makes Strong Start In Maharashtra, Widens Lead Over MVA

  • 'Will Emerge Victorious': Sanjay Nirupam
    November 23, 2024 0:40

    'Will Emerge Victorious': Sanjay Nirupam

  • North East Bypoll Results: Can BJP Capture Congress Strongholds In Assam, Meghalaya?
    November 23, 2024 3:34

    North East Bypoll Results: Can BJP Capture Congress Strongholds In Assam, Meghalaya?

  • BJP Candidate From Wayanad LS Seat: 'Have Clear Cut Plans For Next 5 Years'
    November 23, 2024 2:59

    BJP Candidate From Wayanad LS Seat: 'Have Clear Cut Plans For Next 5 Years'

  • Jharkhand Elections Results: BJP Ahead In Early Leads, Hemant Soren's Party Trails
    November 23, 2024 2:52

    Jharkhand Elections Results: BJP Ahead In Early Leads, Hemant Soren's Party Trails

  • 'Will Emerge Victorious': Shiv Sena (Shinde) Leader Sanjay Nirupam
    November 23, 2024 0:41

    'Will Emerge Victorious': Shiv Sena (Shinde) Leader Sanjay Nirupam

  • NDA Takes Big Lead Over MVA In Maharashtra, Stays Ahead In Jharkhand
    November 23, 2024 5:11

    NDA Takes Big Lead Over MVA In Maharashtra, Stays Ahead In Jharkhand

  • Priyanka Gandhi Leads By Over 85,000 In Wayanad Debut
    November 23, 2024 2:46

    Priyanka Gandhi Leads By Over 85,000 In Wayanad Debut

  • "BJP Will Win Maximum Assembly Seats': Champai Soren
    November 23, 2024 0:45

    "BJP Will Win Maximum Assembly Seats': Champai Soren

  • Delhi BJP Office Gears Up For Assembly Poll Results
    November 23, 2024 1:51

    Delhi BJP Office Gears Up For Assembly Poll Results

  • JMM's Mahua Maji: “We Will Form Government Again”
    November 23, 2024 0:59

    JMM's Mahua Maji: “We Will Form Government Again”

  • Jharkhand Election Results | JMM's Mahua Maji: "We Will Form Government Again"
    November 23, 2024 3:51

    Jharkhand Election Results | JMM's Mahua Maji: "We Will Form Government Again"

  • Maharashtra, Jharkhand Counting Today, Key Bypoll Results In 15 States
    November 23, 2024 15:00

    Maharashtra, Jharkhand Counting Today, Key Bypoll Results In 15 States

  • Priyanka Chaturvedi On Maharashtra & Jharkhand Assembly Election Results
    November 23, 2024 0:48

    Priyanka Chaturvedi On Maharashtra & Jharkhand Assembly Election Results