WHO has said: COVID-19 can be characterized a pandemic.

https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020

历史上的几次pandemics：

Throughout history, there have been a number of pandemics, such as smallpox and tuberculosis. One of the most devastating pandemics was the Black Death, which killed an estimated 75–200 million people in the 14th century. The only current pandemics are HIV/AIDS and Coronavirus disease 2019 (COVID-19).^[1][2] Other recent pandemics are the 1918 influenza pandemic (Spanish flu), and the 2009 flu pandemic (H1N1).

https://en.wikipedia.org/wiki/Pandemic