COVID-19 vaccine may be ready by year-end, says WHO chief

A 'safe and effective' vaccine against novel coronavirus disease may be ready by year-end, the World Health Organization (WHO) said on Tuesday. "We will need vaccines and there is hope that by the end of this year we may have a vaccine. There is hope," WHO director-general Tedros Adhanom Ghebreyesus said at the meeting of WHO's executive board.

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