In December 2019 the WHO was told of a cluster of pneumonia cases in Wuhan, China. These charts show how Covid-19 has spread across the world since then
Two years ago today, as New Year’s Eve fireworks lit up skies across the world, news reached the World Health Organization (WHO) about an outbreak of “pneumonia” in Wuhan, China, the cause of which was unknown.
There had been several cases in December and possibly as far back as November in the region. But the subsequent WHO announcement was the first time that the world at large was made aware of its existence.
