US plane manufacturer Boeing has recommended grounding all 777 aircraft with the same type of engine that suffered failure and shed debris over Denver on Saturday.
Russian authorities say they have detected what is believed to be "human infection with avian influenza H5N8," the World Health Organization (WHO) has confirmed to CNN.
The UK should donate vaccines to developing countries now rather than waiting until it has a surplus, the new head of the World Trade Organization has told the BBC.
France's President Emmanuel Macron has said Europe and the US should urgently allocate 3% to 5% of their coronavirus vaccine supplies to developing countries where vaccination campaigns have scarcely begun.