TABLE 36.1.

Reported Disease Outbreaks by Year

Year	Outbreaks by Pathogen
2017	Marburg virus, plague, MERS-CoV, dengue fever, influenza (H7N9), chikungunya, yellow fever, cholera, hepatitis E, meningococcus, hepatitis A, Zika virus.
2016	Poliovirus, MERS-CoV, dengue fever, avian influenza (H7N9, H5N6), Rift Valley fever, monkeypox, chikungunya, enterohemorrhagic E. coli, yellow fever, Lassa fever, salmonellosis, Zika virus, Elizabethkingia, oropouche.
2015	Poliovirus, MERS-CoV, cholera, avian influenza (H7N9), chikungunya, plague, Lassa fever, Zika virus, measles, meningococcus, typhoid fever, Ebola.
2014	Ebola, avian influenza (H7N9, H5N6), West Nile virus, plague, Marburg, polio, MERS-CoV, chikungunya, enterovirus D68, cholera, yellow fever.
2013	MERS-CoV, avian influenza (H7N9), yellow fever, polio, cholera, meningococcus, novel coronavirus.
2012	Yellow fever, novel coronavirus, Ebola, Marburg, Rift Valley fever, dengue fever, cholera, hantavirus pulmonary syndrome, enterovirus 71, meningococcus.
2011	Yellow fever, polio, cholera, enterohemorrhagic E. coli, Ebola, measles, avian influenza (H5N1).
2010	Avian influenza (H5N1), cholera, polio, yellow fever, plague, pandemic influenza (H1N1), Rift Valley fever.
2009	Pandemic influenza (H1N1), avian influenza (H5N1), yellow fever, dengue fever, swine influenza (A/H1N1), polio, cholera, Ebola.
2008	Cholera, Ebola, yellow fever, avian influenza (H5N1), Marburg, polio, enterovirus, Rift Valley fever.

Source: Disease outbreaks by year: World Health Organization; [Available from: http://www.who.int/csr/don/archive/year/en/.]