An outbreak of a disease that occurs over a wide geographic areas (such as multiple countries or continents) and typically affects a significant proportion of the population.

#1: The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) that was first identified in December 2019.
#2: The responses to the COVID-19 pandemic have resulted in significant global social and economic disruption, along with prolonged national and international lockdowns and social restrictions.