Publications by authors named "Ponnivalavan Mathiyalagan"

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Retrospective study of comparison of clinical severity and outcome of hospitalised COVID-19 patients during the first and second waves of the pandemic in India.
Abhilash Paul Prabhakar Kundavaram, Saravanan Selvan, Vivek Raja, Ponnivalavan Mathiyalagan, Rohini Kanagarajan

BMJ Open· November 2022

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Impact of prior vaccination with Covishield 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

Vaccine· March 2022

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