#xbb variant

Long-haul Flights Sparks Return of Masks As XBB Variant Spreads

The World Health Organization advises countries to instruct passengers on long-haul flights to wear masks, as the XBB.1.5 Omicron subvariant, the most transmissible subvariant has been found in over 25 countries, including eight in Australia. This is accounting for 27.6% of new COVID-19 cases in the US last week and over 40% of all cases in the United States, according to the Centers for Disease…