Efforts underway at unprecedented speed, global body says, with 165 candidate vaccines being worked on around the world

Head of UN health agency says wealthy countries cannot hoard vaccines, become safe havens; says US departure from body harms solidarity in global struggle

UN health body chief says in the meantime, it comes down to basics of public health and disease control; says team has laid groundwork in China for probe of pandemic's source

6 months after declaring outbreak of the novel coronavirus a 'public health emergency of international concern,' global health body says risk posed by COVID-19 remains very high

Worldwide case count surpasses 16 million, with nearly 4.23 million in the United States; infections swell in Australia, Hong Kong, Spain

More than 5 million cases declared since July 1, a third of the total since pandemic began; of deaths, US has highest number at 146,460, Belgium most per capita

Survey shows many no longer think authorities can deal with crisis, leading to resistance to lockdown measures even as record number of new infections recorded two days in a row

Over 9,000 deaths brings worldwide toll to over 628,000; US records of 70,000 fresh cases and 1,000 deaths for 2nd day running

Britain joins France, Germany and Austria in announcing tighter mask requirements and greater testing; new clusters emerge in China, India

Tedros Adhanom Ghebreyesus warns against politicizing virus outbreak