“It is natural for viruses to change. The more the virus circulates, the more opportunities it has to change,' said the WHO's Dr Maria Van Kerkhove.
Picture: 123RF/lightwise
This also helps experts detect where the virus is more prevalent around the world, says the World Health Organisation . “It is natural for viruses to change. The more the virus circulates, the more opportunities it has to change. Strong surveillance and strong sequencing help WHO with scientists around the world to look at those changes and determine which of those changes is important and why,” said the WHO'sThe organisation is working with experts around the world to track the virus and, so far, they have detected five variants of concern globally.
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