We thank Wajir, Marsabit, and Siaya County Departments of Health and Livestock for their support and cooperation during data collection. We also thank Washington State University, Kenya; the U.S. Centers for Disease Control and Prevention, Kenya; and the Field Epidemiology and Laboratory Training Program, Kenya, for the financial and technical support. We thank the Kenya Medical Research Institute, National Public Health Laboratories, and Central Veterinary Laboratory virology staff for ensuring smooth laboratory processes.
Pepin M, Bouloy M, Bird BH, Kemp A, Paweska J, 2010. Rift Valley fever virus (Bunyaviridae: Phlebovirus): an update on pathogenesis, molecular epidemiology, vectors, diagnostics and prevention. Vet Res 41: 61.
Clark MHA, Warimwe GM, Di Nardo A, Lyons NA, Gubbins S, 2018. Systematic literature review of Rift Valley fever virus seroprevalence in livestock, wildlife and humans in Africa from 1968 to 2016. PLoS Negl Trop Dis 12: e0006627.
Martin V, Chevalier V, Ceccato P, Anyamba A, De Simone L, Lubroth J, de La Rocque S, Domenech J, 2008. The impact of climate change on the epidemiology and control of Rift Valley fever. Rev Sci Tech 27: 413–426.
Hightower A 2012. Relationship of climate, geography, and geology to the incidence of Rift Valley fever in Kenya during the 2006–2007 outbreak. Am J Trop Med Hyg 86: 373–380.
Sang R 2016. Effects of irrigation and rainfall on the population dynamics of Rift Valley fever and other arbovirus mosquito vectors in the epidemic-prone Tana River County, Kenya. J Med Entomol 54: 460–470.
Megan JM, Bailey CL, 1989. Rift Valley fever. Monath TP, ed. The Arboviruses: Epidemiology and Ecology, Volume IV. Boca Raton, FL: CRC Press Inc. pp. 51–76.
Coetzer JA, 1977. The pathology of Rift Valley fever. I. Lesions occurring in natural cases in new-born lambs. Onderstepoort J Vet Res 44: 205–211.
Rich KM, Wanyoike F, 2010. An assessment of the regional and national socio-economic impacts of the 2007 Rift Valley fever outbreak in Kenya. Am J Trop Med Hyg 83 (Suppl 2): 52–57.
KMD, 2018. Kenya Meteorology Department-Review of March-April-May (MAM) 2018 Seasonal Rainfall. Ministry of Environment, Government of Kenya. Available at: http://www.meteo.go.ke/pdf/seasonal.pdf.
Oyas H 2018. Enhanced surveillance for Rift Valley fever in livestock during El Niño rains and threat of RVF outbreak, Kenya, 2015–2016. PLoS Negl Trop Dis 12: e0006353.
WHO, 2018. Rift Valley Fever. Geneva, Switzerland: WHO. Available at: https://www.who.int/emergencies/diseases/rift-valley-fever/en/.
OIE (World Organization for Animal Health, 2019. Rift Valley Fever: OIE - World Organisation for Animal Health. Available at: http://www.oie.int/en/animal-health-in-the-world/animal-diseases/rift-valley-fever/.
Rolin AI, Berrang-Ford L, Kulkarni MA, 2013. The risk of Rift Valley fever virus introduction and establishment in the United States and European Union. Emerg Microbes Infect 2: e81.
Murithi RM, Munyua P, Ithondeka PM, Macharia JM, Hightower A, Luman ET, Breiman RF, Kariuki Njenga M, 2011. Rift Valley fever in Kenya: history of epizootics and identification of vulnerable districts. Epidemiol Infect 139: 372–380.
Himeidan YE, Kweka EJ, Mahgoub MM, El Rayah EA, Ouma JO, 2014. Recent outbreaks of Rift Valley fever in East Africa and the Middle East. Front Public Heal 2: 169.
Anyamba A, Soebiyanto RP, Small JL, Linthicum KJ, Forshey B, Toolin CF, Thiaw WM, Chretien JP, Tucker CJ, 2018. Rift Valley fever outbreak in East Africa: signature of climate extremes. AGUFM 2018: GH14A-07.
Mohamed M 2010. Epidemiologic and clinical aspects of a Rift Valley fever outbreak in humans in Tanzania, 2007. Am J Trop Med Hyg 83 (Suppl 2): 22–27.
Nanyingi MO, Munyua P, Kiama SG, Muchemi GM, Thumbi SM, Bitek AO, Bett B, Muriithi RM, Kariuki Njenga M, 2015. A systematic review of Rift Valley fever epidemiology 1931–2014. Infect Ecol Epidemiol 5: 28024.