First identified in Wuhan , Hubei , China in mid-November 2019 , the outbreak gradually spread throughout central China in late 2019 and subsequently spread across multiple continents in early 2020 , before being declared a global pandemic by the World Health Organization ( WHO ) on 11 March 2020. ,
The coronavirus pandemic started in Wuhan , China in November 2019 , spread through central China during the last months of 2019 , and across multiple continents in early 2020 , and it was classified as a pandemic by the WHO on 11 March 2020 .