India Increases Interval Between 2 Doses of Covishield Vaccine
This decision of revised time interval between two doses is applicable only to Covishield and not to Covaxin vaccine.
In view of the emerging scientific evidence, the interval between two doses of a specific Covid-19 vaccine i.e. Covishield, has been revisited by National Technical Advisory Group on Immunization (NTAGI) and subsequently by National Expert Group on Vaccine Administration for Covid-19 (NEGVAC) in its 20th meeting.
During this meeting, the recommendation has been revised to provide 2nd dose of Covishield at 4-8 weeks’ interval after the 1st dose, instead of earlier practiced interval of 4-6 weeks. This decision of revised time interval between two doses is applicable only to Covishield and not to Covaxin vaccine.
In a letter written to the Chief Secretaries of States and UTs on March 22, India’s Health Secretary Rajesh Bhushan has noted that the Ministry of Health and Family Welfare, Government of India has accepted the recommendations of NTAGI and NEGVAC and has advised the States and UTs to ensure the administration of 2nd dose of Covishield to beneficiaries within this stipulated time interval of 4-8 weeks after 1st dose.
Centre writes to States/UTs to Increase the Interval between two doses of #COVISHIELD to 4-8 weeks based on recommendations of NTAGI and NEGVAC.https://t.co/M8vexvY5Au pic.twitter.com/JFZ1UsxQZ3
— Ministry of Health (@MoHFW_INDIA) March 22, 2021
Keeping the existing scientific evidence in view, according to a government statement, it appears that protection is enhanced if the second dose of Covishield is administered between 6-8 weeks, but not later than stipulated period of 8 weeks.
The Union Health Secretary has urged the States and UTs to instruct the concerned officials accordingly to undertake necessary steps to widely disseminate the message of revised dosing interval amongst programme managers, vaccinators and recipients of Covishield vaccine and ensure adherence of the revised dosing interval.
