By Mrinalika Roy (Reuters) – The more infectious Omicron variant of COVID-19 appears to produce less severe disease than the globally dominant Delta strain, but should not be categorised as “mild”, World Health Organization (WHO) officials said on Thursday. Janet Diaz, WHO lead on clinical management, said early studies showed there was a reduced risk of hospitalisation from the variant first identified in southern Africa and Hong Kong in November compared with Delta. There appears also to be a reduced risk of severity in both younger and older people, she told a media briefing from WHO headqu…

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