Covid 19 vaccination drive was kicked off on Saturday, Union Health Minister Dr Harsh Vardhan lists the people who should avoid taking the jab.The union minister said, someone who had an adverse reaction to a previous Covid vaccine dose or allergic to any other vaccine, pregnant women and lactating mothers should not take Covid jabs.In a tweet, the health minister said on Friday, for now, if you belong to any of following categories, you should avoid Covid vaccinationFor now, If you belong to any of following categories, you should avoid #COVIDVaccination.