New Covid variants could impede recent improvements in vaccination rates and recent subsequent increases in passenger traffic at airports throughout the world, according to Fitch Ratings in its latest quarterly Global Airport Traffic Tracker. Vaccination rates have improved significantly during the past three months, with all countries administering at least one dose to at least 50% of their populations and Spain leading at 81%. However, there are 11 variants classified as “under monitoring” by the World Health Organization. “Passenger traffic recovery may be vulnerable as these variants could trigger lockdowns, especially in countries with low inoculation rates — as has
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