A slew of nations moved to stop air travel from southern Africa on Friday, and stocks plunged in Asia and Europe in reaction to news of a new, potentially more transmissible COVID-19 variant.

“The last thing we need is to bring in a new variant that will cause even more problems,” said German Health Minister Jens Spahn, amid a massive spike in cases in the 27-nation European Union…

Israel, one of the world’s most vaccinated countries, announced Friday that it has detected the country’s first case of the new variant in a traveler who returned from Malawi. The traveler and two other suspected cases have been placed in isolation. It said all three are vaccinated but that it is currently looking into their exact vaccination status.