Table 2.

WHO’s Blueprint priority diseases

	Zoonosis	Vector	Other
Crimean-Congo haemorrhagic fever (CCHF)	X	X
Ebola virus disease and Marburg virus disease	X
Disease Xa	X	X	X
Lassa fever	X
Middle East respiratory syndrome coronavirus (MERS-CoV) and severe acute respiratory syndrome (SARS)	X
Nipah henipaviral diseases	X
Rift Valley fever	X	X
Zika virus	X	X

Note: ^a “Disease X represents the knowledge that a serious international epidemic could be caused by a pathogen currently unknown to cause human disease, and so the R&D Blueprint explicitly seeks to enable cross-cutting R&D preparedness that is also relevant for an unknown “Disease X” as far as possible” (http://www.who.int/blueprint/priority-diseases/en/)