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. 2014 Dec 11;235(2):175–184. doi: 10.1002/path.4458

Figure 2.

PATH-4458-FIG-0002-c

Zoonotic transmission of MERS‐CoV. The emergence of MERS‐CoV from dromedary camels is facilitated by the presence of a highly similar viral receptor (DPP4) in humans. Hypothetically, MERS‐CoV present in dromedary camels may have emerged from CoVs in bats that also use DPP4 as an entry receptor