Know how 'Duplication' is affecting BMC's drive for second Covid vaccine shot

Know how 'Duplication' is affecting BMC's drive for second Covid vaccine's shot in this report. 

The BrihanMumbai Municipal Corporation (BMC) has found that asymptomatic patients and high-risk contacts who step out of quarantine are contributing to the current massive spread of Covid-19 with cases multiplying in the city and in Mumbai Metropolitan Region.