What to Know About the New XBB.1.5 Variant

A new variant of the virus that causes COVID-19 is spreading in the U.S., raising concerns about a potential wave of infections and reinfections to start the new year. The variant, called XBB.1.5, is a descendent of Omicron and a close relative of the XBB variant, which spread widely in Singapore and India this past … Read more

As Chinese Tourists Prepare to Travel Again, Some Countries Close Their Doors

As COVID-19 infections in China continue to rise, and as concerns grow over the reliability of the country’s reporting and sequencing of cases, more than a dozen countries have announced new entry restrictions on travelers arriving from China at a time when they’re largely on the way out. Some countries, including the United States and … Read more