As I said there is probably no official WHO definition or criteria due to big ec...

concerned_user on March 11, 2020 | parent | context | favorite | on: Covid-19 is now officially a pandemic, WHO says

As I said there is probably no official WHO definition or criteria due to big economic impact of such declaration and it is decided on a case by case basis.

EDIT: I was wrong, here is the chart: https://www.who.int/influenza/resources/documents/pandemic_p...