The two new variants, called NB.1.8.1 and LF.7 are sub-variants of the Omicron variant that was active till 2022. NB.1.8.1 is ...

A new COVID-19 sub-variant, NB.1.8.1, has been detected in India, raising fresh questions about the evolving nature of the virus and its potential impact. Though currently classified by the World ...

West Bengal has reported four fresh Covid-19 cases from Magrahat in the South 24 Parganas district.