NEW DELHI, July 2 -- In the wake of Karnataka Chief Minister Siddaramaiah linking heart-related deaths in Hassan district to Covid vaccine, the Union Health Ministry on Wednesday said extensive studies by ICMR and AIIMS have conclusively established no linkages between coronavirus vaccines and sudden deaths.

Siddaramaiah had on Tuesday said "hasty approval and distribution" of the Covid vaccine to the public could also be a reason for these deaths.

He urged everyone to visit the nearest health centre immediately for a check-up if they have symptoms such as chest pain or difficulty breathing, and not to ignore these signs.

The ministry said the matter of sudden unexplained deaths has been investigated through several agencies in the cou...