New Covid variant 'JN.1 more contagious than other strains’

A study reveals that the highly contagious JN.1 variant of Covid, part of the Omicron family, spreads faster even in vaccinated individuals. Vaccines can reduce disease severity but may not consistently prevent JN.1 infections. People with comorbidities should be cautious. Although JN.1 causes mild illness, vigilance is crucial as newer variants will replace it.