Health

Covid hospitalisation, family history, lifestyle behaviours behind unexplained sudden death: ICMR study

July 07, 2025

New Delhi, July 7

Hospitalisations due to severe Covid-19 infection, a family history of sudden deaths, as well as lifestyle behaviours are some of the reasons behind the unexplained sudden death, according to a study led by the Indian Council of Medical Research (ICMR).

The peer-reviewed study published in the Indian Journal of Medical Research explored factors associated with unexplained sudden deaths among adults aged 18-45 years in India.

It showed that Covid vaccination was not responsible for sudden and unexplained deaths seen among young and healthy individuals.

The study was conducted in 2023, following anecdotal reports of sudden, unexplained deaths in India's apparently healthy young adults, which were linked to Covid-19 infection or vaccination.

"Covid-19 vaccination did not increase the risk of unexplained sudden death among young adults in India. Past Covid-19 hospitalisation, family history of sudden death, and certain lifestyle behaviours increased the likelihood of unexplained sudden death,” the researchers said.

Using a multicentric matched case-control model, the researchers included 729 cases and 2,916 controls from 47 tertiary care hospitals across India.

 

 

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