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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Curr Opin Virol. 2016 Mar 30;17:116–125. doi: 10.1016/j.coviro.2016.03.003

Table 2.

Emerging and Reemerging Viral Pathogens

Virus/Disease Case Frequency Main Geographic Distribution
Ebola 2013–2015 outbreaks: 28, 639 cases and 11316 deaths[105] Central and West Africa
Marburg Sporadic outbreaks; largest was in Angola in 2004 with 252 cases[106] Central Africa
Lassa Fever 100000–300000 cases/year[107] West Africa
SARS 8098 cases during 2003 outbreak[108] Southeast Asia
MERS-CoV 1638 cases since 2012 [109] Arabian peninsula
Chikungunya > 1.3 million cases as of April 2015 in the Americas[110] Africa, Southeast Asia, Americas
Zika Not available[111] South/Central America since May, 2015 (previously Africa, Asia)

SARS = severe acute respiratory syndrome

MERS-CoV = Middle East respiratory syndrome coronavirus