Supplies of the Covid vaccine for 15-17-year-olds are running low across Bengaluru, less than two months after the drive to inoculate adolescents was launched. In the BBMP's Dasarahalli Zone, there's been no stock of Covaxin for three days now. Supplies are fast running out in other zones, too. The stocks aren't available in many hospitals either. Until now, Covaxin was the