Chief of the All India Institute of Medical Sciences (AIIMS), Dr Randeep Guleria, has said that amid different mutations of the coronavirus emerging in the near future, the country might need to embrace a booster shot of second-generation vaccines against COVID-19.

He said that the immunity is waning and we may need to have a booster dose that will tackle the emerging variants. He added that the booster dose will be a second-generation vaccine, which would be better with respect to the immunity it provides, cover the new emerging variants and have a better efficacy overall. Dr Guleria said that trials of booster vaccine shots are underway and people will possibly require a booster dose by the end of this year. However, that will happen only once the population is vaccinated. The next step then will be the administration of a booster shot… (NDTV – ANI, July 23, 2021)