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WHO sees more evidence on Omicron affecting upper respiratory tract

More evidence is emerging that the Omicron coronavirus variant is affecting the upper respiratory tract, causing milder symptoms than previous variants, a World Health Organization official said on Tuesday. "We are seeing more and more studies pointing out that Omicron is infecting the upper part of the body. Unlike the other ones, that could cause severe pneumonia," WHO Incident Manager Abdi Mahamud told Geneva-based journalists, saying it could be "good news". (Reuters)