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Fig. 2 | Infectious Diseases of Poverty

Fig. 2

From: Epidemiology and evolution of Middle East respiratory syndrome coronavirus, 2012–2020

Fig. 2

Geographic expansion of MERS a and its relationship with transportation network and land cover b in the Middle East. The first invasion time of each space unit was defined as the time lag between the first confirmed case for each unit and September 20, 2012, the symptom onset date of the first confirmed case in the Middle East Region. The time between adjacent contours was fixed at 200 days, and a wide gap between adjacent contours indicates a faster spatial diffusion of the disease. The inset map in panel a was added to present the early onset situation in the whole Middle East during the first 400 days.

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