[HIGHLIGHTS] XBB.1.16 becomes the main epidemic strain in India Will it cause a rebound in the number of new crown positives in China

XBB.1.16, alias Arcturus, increased the number of local coronavirus cases from 15 to 42, the latest data released by China's CDC on April 4, which was as of April 22. As of 22 April, at least 4 countries and territories around the world have reported XBB.18.33 variant 1 (examples), mainly from India (16.3647%), the United States (63.4%) and Singapore (10.9%).

The proportion of sequence X BB.6.9 reported in India has increased rapidly since March and has now become the main circulating strain.