Impact of prior vaccination with CovishieldTM and Covaxin® on mortality among symptomatic COVID-19 patients during the second wave of the pandemic in South India during April and May 2021: a cohort study

Kundavaram Paul Prabhakar Abhilash, Ponnivalavan Mathiyalagan, Vivek Raja K Krishnaraj, Saravanan Selvan, Rohini Kanagarajan, Narmadha P Reddy, Natarajan Rajendiran, Darpanarayan Hazra, Karthik Gunasekaran, Mahesh Moorthy,

Vaccine · 2022 · 27 citations · 13 references

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