Pharma wrap: Why India should consider extension of interval between two doses of Covishield vaccine

Pharma wrap: Why India should consider extension of interval between two doses of Covishield vaccine "In exploratory analyses, a single standard dose of ChAdOx1 nCoV-19 had an efficacy of 76 percent against symptomatic COVD-19 in the first 90 days after vaccination, with no significant waning of protection during this period," Lancet study said.

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