The coronavirus has officially been declared a “pandemic” by the World Health Organization (WHO). What that means is that it is spreading widely in the world, and countries should increase their efforts to address the situation. Outbreak, epidemic, or pandemic: what is the difference? When talking about a disease, these terms can be confusing. An “ outbreak ” is an increase in the number of people who have a certain disease in a community, or geographic area. For instance, seasonal flu each year. An “ epidemic ” is when that outbreak spreads rapidly to others. A “ pandemic ” is when the infectious agent has spread globally. It often occurs with a new strain of a virus, like this novel coronavirus. When will the coronavirus outbreak end? The current outbreak of coronavirus will end with a vaccine or something known as " herd immunity ." Herd immunity, or community immunity, is when a high percentage of the community becomes immune ...
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