The World Health Organization (WHO) has announced a new naming system for variants of Covid-19.
From now on the WHO will use Greek letters to refer to variants first detected in countries like the UK, South Africa and India.
The UK variant for instance is labelled as Alpha, the South African Beta, and the Indian as Delta.
The WHO said this was to simplify discussions but also to help remove some stigma from the names.
Earlier this month the Indian government criticised the naming of variant B.1.617.2 - first detected in the country last October - as the "Indian variant", though the WHO had never officially labelled it as such.
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