No fixed window for precaution jab: Chairperson of covid working group Dr NK Arora
Infectious diseases experts, however, said boosters should be taken “immediately” after the interval as studies show vaccine protection wanes after six months.

Infectious diseases experts, however, said boosters should be taken “immediately” after the interval as studies show vaccine protection wanes after six months.
For beneficiaries aged above 60 years and above as well as the healthcare workers (HCWs) & frontline workers (FLWs), a precaution dose would be administered after completion of six months or 26 weeks from the date of administration of the second dose at the government CVCs, free of charge. Corresponding changes have been made in the COWIN system to facilitate the new dispensation.
Among those who have taken both the doses of the vaccine, a higher proportion show willingness to take the booster dose without hesitation. Close to one in five, are reluctant to take an additional shot while one in ten remain unsure of their decision. This vaccine hesitancy is higher in tier II-III cities of India as compared to tier I cities.
Asserting the importance of adhering to COVID behaviours, the ICMR scientist warned that people need to be cautious as the virus is still there and its transmission also taking place.
The coronavirus tally in the archipelago stood at 10,039.
The minister also said there is no need to panic about cases among children with several serosurveys showing that they are not at high risk for severe Covid though the infection rate among children and adults is almost the same.
On a day that booster doses were made available to all adults, major corporate hospitals in the city said that they have between 3,000 and 6,000 vials of vaccine with them for the rollout.
Administration of precautionary Covid dose is as important as first and second Covid-19 doses for protection against the deadly virus, Karnataka Health Minister K. Sudhakar said on Saturday.
The experts also await data on mixing of vaccines by Indian health institutes and hence "the government didn't allow mix and match of vaccines due to lack of data on the effectiveness of such a strategy," said a senior official on the condition of anonymity.
The experts also await data on mixing of vaccines by Indian health institutes and hence "the government didn't allow mix and match of vaccines due to lack of data on the effectiveness of such a strategy," said a senior official on the condition of anonymity.
CoWIN will send reminder messages to all those eligible for the precaution dose and the dose will be reflected in the digital vaccination certificates.