URL copied 'Serious concern': Centre on low vaccination coverage for second dose healthcare workers Terming the low Covid vaccination coverage among the healthcare and frontline workers, especially for the second dose, a cause of "serious concern", the Centre advised the states and Union territories on Thursday to sharpen their focus and prepare effective plans for expediting the second dose coverage among these priority groups. At a high-level meeting chaired by Union Health Secretary Rajesh Bhushan with the states to review the progress of vaccination, it was highlighted that while the national average for the first dose administration among the healthcare workers (HCWs) is 82 per cent, for the second dose, it is only 56 per cent, a statement issued by the health ministry said.