The latest Omicron variant is making scientists take notice in the US - so what do you need to know?
A new Covid sub-variant is causing some concern in the US, where it is spreading rapidly.What is XBB.1.5?, which itself followed the earlier alpha, beta, gamma and delta variants.
XBB had a mutation that helped it beat the body's immune defences, but this same quality also reduced its ability to infect human cells.
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WHO 'really concerned' about COVID picture with 'intense transmission in several parts of the world'The Omicron XBB.1.5 subvariant which has been identified in more than 25 countries, including the US and UK, is the most transmissible yet, says the World Health Organisation. Meanwhile, China's recent COVID outbreak is predominantly led by the subvariants BA.5.2 and BF.7.
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Children told to stay home from school if sick amid flu, Covid and scarlet feverThe advice to parents at the end of the Christmas break comes amid high levels of flu and Covid cases.
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Elephants: Covid and ethics reshape Thailand's tourism industryCovid-19 and ethical concerns are drastically reshaping the industry in Thailand.
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