From the first cases in China to worldwide lockdowns and vaccination drives - here are the 10 key moments since the Covid-19 pandemic was declared a year ago by the World Health Organization (WHO). First deaths On 31 December 2019, the WHO is alerted to a cluster of pneumonia cases "of unknown cause" in the central Chinese city of Wuhan.
A week later, a new coronavirus is identified. China confirms on 11 January its first death in Wuhan from an illness which will be named Covid-19.
On 23 January Wuhan is placed under quarantine and cut off from the world. Countries start to repatriate their citizens from China.
France reports the first death confirmed outside Asia, a Chinese tourist, on 15 February. Pandemic By 6 March more than 100,000