Margaret Chan, the World Health Organization's director-general, has decided not to declare that the world has entered the first flu pandemic of this century. But she's leaving open the question -- ...

The WHO has so far resisted labeling COVID-19 a pandemic. As the coronavirus continues its spread around the globe, a single word is coming from the mouths of experts at an alarmingly growing rate: ...

An endemic disease is one that becomes stabilized within a population. Outbreaks may still occur. The coronavirus causing the COVID-19 pandemic could be on its way to becoming endemic, but we don’t ...

A businessman’s post on Instagram and Facebook wrongly claims that the U.S. government “changed the definition of pandemic” in 2004, suggesting that COVID-19 would not have qualified under the old ...

When will the COVID-19 pandemic end? It depends on how you define end. According to historians, pandemics typically have two types of endings: the medical, which occurs when the incidence and death ...