An increase in Covid-19 cases has been seen in India, which has been attributed to the Arcturus sub-variant.
The Omicron sub-variant XBB.1.16 strain, which is also present in more than 20 countries, is under observation, according to the World Health Organization (WHO).
What is known about XBB.1.16 is as follows.
Describe Arcturus.
The new sub-variant, abbreviated XBB.1.16, is known as Arcturus. Read the full story here ▶