Arizona governor orders closure of bars, nightclubs, gyms and cinemas –as it happened

Tedros Adhanom Ghebreyesus says pandemic is speeding up'; India records 19,459 new cases; Iran records highest daily death toll; China's military approves vaccine for use on its soldiers. This blog is now closed

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12.36am BST

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Related: Coronavirus live updates: WHO team to search for Covid-19 origin in China as chief says he fears 'worst to come'

12.34am BST

Here he latest key developments at a glance: