An epidemic that has spread across several countries or continents, affecting large numbers of people. AIDS, Influenza, and the plague are examples of pandemic diseases.

The World Health Organization (WHO) declared COVID-19 a global pandemic in early March of 2020. The official recognition of COVID-19 as having reached pandemic status was made public, in order to prompt countries to put prevention and control measures in place.



Epidemiology Infectious Disease Prevention


EpidemicCOVID-19WHO (World Health Organisation)Containment measures