The World Health Organization (WHO) urged countries to recommend all those travelling to wear masks in view of the rapid spread of the new Omicron sub-variant XBB.1.5 across the world.
WHO's senior emergency officer for Europe, Catherine Smallwood said, Passengers should be advised to wear masks in high-risk settings
such as long-haul flights.
latest highly transmissible Omicron variant XBB.1.5 has accounted for 27.6 percent of the Covid-19 in the United States so far till Sunday. The WHO officials said, subvariant has been detected in Europe as well in small but growing numbers.