India has been hit by a surge of Covid-19 cases, driven by a new sub-variant known as Arcturus.
The World Health Organisation (WHO) said it is monitoring this Omicron sub-variant XBB.1.16 strain, which is also found in over 20 countries, including Singapore.
It was first detected in late January and is a recombinant variant from BA.2.10.1 and BA.2.75.
Arcturus is nearly 1.2 times as transmissible as another sub-variant XBB.1.5, according to a study by the University of Tokyo.
Reported symptoms include a fever that gradually increases and lasts for one or two days, headaches, body pain, abdominal discomfort and sore throat.
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