coronavirus vaccination on Saturday for the beneficiaries who were given jabs at the beginning of the nationwide inoculation drive on 16 January.After a sluggish start, since the exercise was kicked off, the vaccination drive had picked up pace in the last several days.AIIMS Director Dr Randeep Guleria and NITI Aayog's VK Paul, who were among the first ones to take the Covid-19 vaccine, are expected to receive the second dose, which needs to be taken 28 days after the first one.Everything you need to know about 2nd Covid vaccine dose:1) According to the doctors, the second round of Covid-19 vaccine booster dose is to be given to a beneficiary after a gap of 28 days.2) However, experts have clarified that the second shot can be taken anytime.