Eventually, booster shots will be recommended not only for this special group but possibly for all individuals.вЂќД®xplaining the working of the booster doses, Dr Kaneria says, вЂњThe booster shot will rapidly ramp up the antibodies, systemically as well as locally, in the nose and throat, which would act as the first line of defense and thus offer protection.вЂќ Dr Sunil Jain and Dr Mala KaneriaДr Sunil Jain, Head of Emergency Medical Services (EMS), Jaslok Hospital and Research Centre, also comments on the efficacy and need for the booster shot saying, вЂњWith respect to the booster shot, given that we are anticipating the third wave to hit us in September/October, those who are fully vaccinated are certainly better protected against COVID and the Delta variant. She goes on, вЂњThe effects of waning immunity will show in the Health Care Workers (HCW) and Front Line Workers (FLW) who were vaccinated in the early stages of the vaccination drive. Booster doses are currently recommended in the high-risk groups such as the elderly and the immunocompromised, who are thought not to have had a robust antibody response with two doses.вЂќ Dr Vikas MauryaДЄdding to this point, Dr Mala Kaneria, Consultant, Department of Infectious Diseases, Jaslok Hospital and Research Centre, says, вЂњStudies have shown that vaccine induced antibodies are likely to decline in 8 to 10 months. вЂњWith each wave throwing up a new strain of virus the vaccine should also be one that is able to tackle the newer strains,вЂќ says Dr Maurya. Research also needs to be done to ascertain whether the third shot should be of the same vaccine taken earlier or not. вЂњWith all respiratory viruses, the effect of the vaccine wanes off in a few months and therefore a shot will be required periodically.вЂќ While an Israeli study found that the third dose of PfizerвЂ™s vaccine is 86 per cent effective in people aged over 60, preliminary data from an Oxford University-led study evaluating the AstraZeneca vaccine has also found that the third dose of the jab boosts antibodies against COVID-19.Дr Vikas Maurya, Director and Head of Department, Pulmonology, Fortis Hospital, Shalimar Bagh, says, вЂњThe issue is not just about whether or not a third shot is needed, we also have to consider whether there are enough vaccines for the first and second shot for our entire population to begin with.вЂќ Once we get past the availability, Dr Maurya says that he is of the opinion that a booster shot will most certainly offer better protection. While the vaccination drive continues in India, other countries where the number of vaccinated individuals is the highest, like Israel, are considering administering a third booster shot.

As of now, the official government data on vaccination suggests that 9.6 per cent Indians are fully vaccinated.

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