Ministry of Health and Family Welfare

Myths vs. Facts on COVID 19 Vaccination


Decision of increasing COVISHIELD dose interval based on the fundamental scientific reason regarding behaviour of adenovector vaccines

Record of Minutes of meetings of COVID-19 Working Group and Standing Technical Sub-Committee (STSC) of NTAGI clearly show that recommended 12-16 weeks dosing interval for COVISHIELD was unanimous with no dissent from any member

Posted On: 16 JUN 2021 1:40PM by PIB Delhi

There have been some media reports regarding increase in the gap between two doses of COVISHIELD vaccine from 6-8 weeks to 12-16 weeks, suggesting dissent among the technical experts regarding the decision.

It may be noted that the decision of increasing the gap is based on the scientific reason regarding behaviour of adenovector vaccines and has been discussed thoroughly in meetings of COVID-19 Working Group and Standing Technical Sub-Committee (STSC) of NTAGI with no dissent from any member.

The 22nd meeting of COVID-19 Working Group of the National Technical Advisory Group on Immunization (NTAGI) was held on 10th May 2021. The COVID-19 Working Group has the following members:

Dr. N K Arora

Executive Director, INCLEN

Dr. Rakesh Aggarwal

NTAGI Member, Director, JIPMER, Puducherry

Dr. Gagandeep Kang

NTAGI Member, Professor, CMC Vellore

Dr. Amulya Panda

NTAGI Member, Director, NII

Dr. J P Muliyil

NTAGI Member, Retd. Principal, CMC, Vellore

Dr. Navin Khanna

Group Leader, ICGEB

Dr. V G Somani

DCGI, CDSCO

Dr. Pradeep Haldar

Advisor, RCH, MoHFW

 

This COVID-19 Working Group considered a proposal for a change in dose interval for COVISHIELD used under the National Vaccination Policy. It recommended that ‘based on the real-life evidences particularly from United Kingdom (UK), the COVID-19 Working Group agreed for increasing the dosing interval to 12-16 weeks between two doses of COVISHIELD Vaccine’.

This recommendation of COVID-19 Working Group was further taken up for discussion in the 31st meeting of Standing Technical Sub-Committee (STSC) of NTAGI which was held on 13th May 2021 under the joint chairpersonship of Secretary, Department of Biotechnology and Secretary, DHR & DG, ICMR.

Members of STSC are as follows:

Dr. Renu Swarup

Secretary, Department of Biotechnology

Dr. Balram Bhargava

Secretary, Department of Health Research & DG- ICMR

Dr. J P Muliyil

Professor, CMC Vellore

Dr. Gagandeep Kang

Professor, CMC Vellore

Dr. Indrani Gupta

Professor, Institute for Economic Growth, Delhi

Dr. Rakesh Aggarwal

Director, JIPMER, Puducherry

Dr. Mathew Varghese

Head of the Dept, Orthopaedics, St. Stephan’s Hospital, New Delhi

Dr. Satinder Aneja

Professor, Sharda University, Noida

Dr. Neerja Bhatla

Professor, AIIMS, New Delhi

Dr. M D Gupte

Former Director, NIE, Chennai

Dr. Y K Gupta

Principal Adviser THSTI-DBT

Dr. Arun Aggarwal

Professor, PGIMER, Chandigarh

Dr. Lalit Dhar

Professor, Virology, AIIMS, New Delhi

 

The STSC of NTAGI gave the following recommendation:- ‘as per the COVID-19 Working Group recommendation, a dosing interval of minimum three months between two doses of COVISHIELD vaccine was recommended.’ 

In both the meetings i.e. COVID-19 Working Group and STSC, no dissent was given by any of the three members who have been quoted in a news report by Reuters, namely, Dr. Mathew Varghese, Dr M. D. Gupte and Dr. J. P Muliyil. Further, it is on record that Dr. Mathew Varghese has denied talking to Reuters on the issue of his alleged dissent.

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MV



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