Tuesday, September 15, 2026

HOW DO EPIDEMICS BECOME PANDEMICS?

The infographic explains the progression from a single infection to a pandemic, defining epidemic and pandemic, detailing the escalation path through cluster, local outbreak, epidemic, multiregional spread, and pandemic stages, listing factors that help diseases expand such as human-to-human transmission and air travel, reasons some outbreaks stay local like rapid detection and vaccination, elements that turn an epidemic into a pandemic…
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