Anatomy of the South Korean MERS outbreak

Most victims got infected by several 'superspreaders'

MERS network map

In 2015, South Korea experienced an outbreak of Middle East respiratory syndrome, or MERS.

Between May and July, 186 people contracted the MERS virus; 38 eventually died.

This diagram shows how quickly the pathogen spread within and between hospitals via a handful of “superspreaders.” 

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Credits: T.H. Saey, Maimuna Majumder, S. Egts

Sources:, World Health Organization, South Korean Ministry of Health, ProMED-Mail

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