The holiday season is upon us and people across the world are getting ready to travel out with, or to meet, family and friends. Or bring in the New Year in a destination of their choice. But cases of the highly transmissible new COVID variant are on the rise. The World Health Organisation (WHO) has recognised JN.1, a sub-variant of the Omicron strain BA.2.86, also known as Pirola, as a "variant of interest" due to its rapid spread. This variant has been found in several countries where precautionary measures like face masks and thermal scanners are back. Here's what you should know before you make travel plans.