Updated On: 19 December, 2023 07:49 AM IST | New Delhi | IANS
The letter comes as India on Monday recorded 1,828 Covid cases. With 1,634 cases, Kerala accounted for the highest number

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The Union Health Ministry on Monday issued an advisory to states over the fresh surge in Covid-19 cases in some states/UTs in India and the detection of the first case of the new JN.1, a sub-variant of Omicron, in Kerala.
In the letter, Union Health Secretary Sudhansh Pant highlighted the need for maintaining a state of constant vigil over the Covid situation in the country.