Browsing School of Health Sciences by Author "Ogola, Eric"
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Coxiella burnetii in humans, domestic ruminants, and ticks in rural Western Kenya
Knobel, Darryn L.; Maina, Alice N.; Cutler, Sally J.; Ogola, Eric; Feikin, Daniel R.; Junghae, Muthoni; Halliday, Jo E. B.; Richards, Allen L.; Breiman, Robert F.; Cleaveland, Sarah; Njenga, M. Kariuki (The American Society of Tropical Medicine and Hygiene, 2013)We conducted serological surveys for Coxiella burnetii in archived sera from patients that visited a rural clinic in western Kenya from 2007 to 2008 and in cattle, sheep, and goats from the same area in 2009. We also ... -
High prevalence of Rickettsia africae variants in Amblyomma variegatum ticks from domestic mammals in rural Western Kenya: Implications for human health
Maina, Alice N.; Omulo, Sylvia A.; Jiang, Ju; Cutler, Sally J.; Ade, Fredrick; Ogola, Eric; Feikin, Daniel R.; Njenga, M. Kariuki; Cleaveland, Sarah; Mpoke, Solomon; Ng'ang'a, Zipporah; Breiman, Robert F.; Knobel, Darryn L.; Richards, Allen L. (Mary Ann Liebert, Inc, 2015-10)Tick-borne spotted fever group (SFG) rickettsioses are emerging human diseases caused by obligate intracellular Gram-negative bacteria of the genus Rickettsia. Despite being important causes of systemic febrile illnesses ... -
Isolation and characterization of a novel Rickettsia species (Rickettsia asembonensis sp. nov.) obtained from cat fleas (Ctenocephalides felis)
Maina, Alice N.; Luce-Fedrow, Alison; Omulo, Sylvia; Hang, Jun; Chan, Teik-Chye; Ade, Fredrick; Jima, Dereje D.; Ogola, Eric; Hong, Ge; Breiman, Robert F.; Njenga, Moses K.; Richards, Allen L. (International Journal of Systematic and Evolutionary Microbiology, 2016-11)A novel rickettsial agent, ‘Candidatus Rickettsia asembonensis’ strain NMRCiiT, was isolated from cat fleas, Ctenocephalides felis, from Kenya. Genotypic characterization of the new isolate based on sequence analysis of ... -
Knowledge, attitude and practice towards zoonoses among public health workers in Nyanza province, Kenya
Omemo, Peter; Ogola, Eric; Omondi, Gamaliel; Wasonga, Job; Knobel, Darryn (Journal of Public Health in Africa, 2012)We sought to determine the knowledge and attitude of public health workers (PHWs) with respect to emerging and re-emerging zoonotic diseases and the practice of one health approach in the surveillance of zoonoses in the ... -
Linking human health and livestock health: A “one-health” platform for integrated analysis of human health, livestock health, and economic welfare in livestock dependent communities
Thumbi, S. M.; Njenga, M. Kariuki; Marsh, Thomas L.; Noh, Susan; Otiang, Elkanah; Munyua, Peninah; Ochieng, Linus; Ogola, Eric (PLOS ONE, 2015-03-23)Background For most rural households in sub-Saharan Africa, healthy livestock play a key role in averting the burden associated with zoonotic diseases, and in meeting household nutritional and socio-economic needs. However, ... -
Molecular detection of Rickettsia felis and Candidatus Rickettsia Asemboensis in fleas from human habitats, Asembo, Kenya
Jiang, Ju; Maina, Alice N.; Knobel, Darryn L.; Cleaveland, Sarah; Laudisoit, Anne; Wamburu, Kabura; Ogola, Eric; Parola, Philippe; Breiman, Robert F.; Njenga, Kariuki M.; Richards, Allen L. (Mary Ann Liebert, Inc., 2013)The flea-borne rickettsioses murine typhus (Rickettsia typhi) and flea-borne spotted fever (FBSF) (Rickettsia felis) are febrile diseases distributed among humans worldwide. Murine typhus has been known to be endemic to ... -
Strong association between human and animal Brucella seropositivity in a linked study in Kenya, 2012–2013
Osoro, Eric Mogaka; Munyua, Peninah; Omulo, Sylvia; Ogola, Eric; Ade, Fredrick; Mbatha, Peter; Mbabu, Murithi; Ng'ang'a, Zipporah; Kairu, Salome; Maritim, Marybeth; Thumbi, Samuel M.; Bitek, Austine; Gaichugi, Stella; Rubin, Carol; Njenga, Kariuki; Guerra, Marta (The American Society of Tropical Medicine and Hygiene, 2015)Brucellosis is a common bacterial zoonotic infection but data on the prevalence among humans and animals is limited in Kenya. A cross-sectional survey was conducted in three counties practicing different livestock production ...