1The rapid spread of the virus led to a global epidemic, prompting widespread travel restrictions and lockdowns.
2Historians have long studied the epidemic that devastated Europe in the 14th century, known as the Black Death.
3Is the increasing prevalence of antibiotic-resistant bacteria likely to trigger a future epidemic of untreatable infections?
4The World Health Organization has declared the current outbreak of measles an epidemic, urging governments to take immediate action to contain its spread.
5Researchers are working to develop a vaccine that could prevent a potential epidemic of a newly identified strain of influenza.