Shortage of key chemical from US hits Covaxin ramp-up plans

'In case of shortage of other raw material, like filters and bags, one can try to develop another vendor. However, for chemicals as critical as adjuvants, this is not possible' IMAGE: Kindly note......

COVID-19 vaccine: Why Poonawalla wrote to Biden

'The US has invoked the Defence Act and banned export of raw materials.''This is as good as banning vaccines.'Sohini Das reports. IMAGE: A woman receives a dose of Serum Institute's Covishield......