Barely 72 hours before the ambitious phase of vaccination for 18-45 age groups begins from May 1, the Maharashtra government has started scouting around for getting sufficient quantities of the Covid-19 jabs, officials said here on Tuesday.

Health Department Principal Secretary Dr Pradeep Vyas has sent separate letters to Serum Institute of India CEO Adar Poonawala and Bharat Biotech International Ltd Chairman and Managing Director Dr Krishna M. Ella to the effect.