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https://www.readbyqxmd.com/read/29141606/trends-in-bednet-ownership-and-usage-and-the-effect-of-bednets-on-malaria-hospitalization-in-the-kilifi-health-and-demographic-surveillance-system-khdss-2008-2015
#1
Alice Kamau, Victoria Nyaga, Evasius Bauni, Benjamin Tsofa, Abdisalan M Noor, Philip Bejon, J Anthony G Scott, Laura L Hammitt
BACKGROUND: Use of bednets reduces malaria morbidity and mortality. In Kilifi, Kenya, there was a mass distribution of free nets to children < 5 years in 2006. In 2009, a new policy was implemented to offer bednets to pregnant women and children < 5 years free of charge. Nets were again distributed to children and adults through national mass campaigns in 2012 and 2015. We aimed to evaluate trends in bednet ownership and usage, and the effect of bednets on the incidence of malaria hospitalization in children < 5 years within the Kilifi Health and Demographic Surveillance System (KHDSS)...
November 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29110670/indoor-and-outdoor-malaria-vector-surveillance-in-western-kenya-implications-for-better-understanding-of-residual-transmission
#2
Teshome Degefa, Delenasaw Yewhalaw, Guofa Zhou, Ming-Chieh Lee, Harrysone Atieli, Andrew K Githeko, Guiyun Yan
BACKGROUND: The widespread use of indoor-based malaria vector control interventions has been shown to alter the behaviour of vectors in Africa. There is an increasing concern that such changes could sustain residual transmission. This study was conducted to assess vector species composition, feeding behaviour and their contribution to indoor and outdoor malaria transmission in western Kenya. METHODS: Anopheles mosquito collections were carried out from September 2015 to April 2016 in Ahero and Iguhu sites, western Kenya using CDC light traps (indoor and outdoor), pyrethrum spray catches (PSCs) (indoor) and pit shelters (outdoor)...
November 6, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29102168/impact-of-rotavirus-vaccine-on-rotavirus-diarrhoea-in-countries-of-east-and-southern-africa
#3
Goitom Weldegebriel, Jason M Mwenda, Jethro Chakauya, Fussum Daniel, Balcha Masresha, Umesh D Parashar, Jacqueline E Tate
BACKGROUND: Established in 2006 with four countries conducting hospital-based rotavirus surveillance, the African rotavirus surveillance network has expanded over subsequent years. By 2015, 14 countries in the World Health Organization (WHO) East and Southern Africa sub-region (Eritrea, Ethiopia, Kenya, Lesotho, Madagascar, Mauritius, Namibia, Rwanda, Seychelles, Swaziland, Tanzania, Uganda, Zambia and Zimbabwe) were participating in the rotavirus surveillance network coordinated by WHO...
October 25, 2017: Vaccine
https://www.readbyqxmd.com/read/29048283/unrecognized-dengue-virus-infections-in-children-western-kenya-2014-2015
#4
David M Vu, Noah Mutai, Claire J Heath, John M Vulule, Francis M Mutuku, Bryson A Ndenga, A Desiree LaBeaud
We detected a cluster of dengue virus infections in children in Kenya during July 2014-June 2015. Most cases were serotype 1, but we detected all 4 serotypes, including co-infections with 2 serotypes. Our findings implicate dengue as a cause of febrile illness in this population and highlight a need for robust arbovirus surveillance.
November 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29043592/factors-associated-with-surveillance-adenoma-and-sessile-serrated-polyp-detection-rates
#5
Jennifer K Maratt, Joseph Dickens, Philip S Schoenfeld, Grace H Elta, Kenya Jackson, Daniel Rizk, Christine Erickson, Stacy B Menees
BACKGROUND: Adenoma detection rate (ADR) and sessile serrated polyp detection rate (SSPDR) data in surveillance colonoscopy are limited. AIMS: Our aim was to determine surveillance ADR and SSPDR and identify associated predictors. METHODS: A retrospective review of subjects who underwent surveillance colonoscopy for adenoma and/or SSP at an academic center was performed. The following exclusion criteria were applied: prior colonoscopy ≤ 3 years, incomplete examination, or another indication for colonoscopy...
December 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28963171/implementing-maternal-death-surveillance-and-response-in-kenya-incremental-progress-and-lessons-learned
#6
Helen Smith, Charles Ameh, Pamela Godia, Judith Maua, Kigen Bartilol, Patrick Amoth, Matthews Mathai, Nynke van den Broek
Maternal death surveillance and response (MDSR) constitutes a quality improvement approach to identify how many maternal deaths occur, what the underlying causes of death and associated factors are, and how to implement actions to reduce the number of preventable stillbirths and maternal and neonatal deaths. This requires a coordinated approach, ensuring both national- and district-level stakeholders are enabled and supported and can implement MDSR in a "no name, no blame" environment. This field action report from Kenya provides an example of how MDSR can be implemented in a "real-life" setting by summarizing the experiences and challenges faced thus far by maternal death assessors and Ministry of Health representatives in implementing MDSR...
September 27, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/28959439/factors-associated-with-physical-violence-by-a-sexual-partner-among-girls-and-women-in-rural-kenya
#7
Deborah A Gust, Yi Pan, Fred Otieno, Tameka Hayes, Tereza Omoro, Penelope A Phillips-Howard, Fred Odongo, George O Otieno
BACKGROUND: Intimate partner physical violence increases women's risk for negative health outcomes and is an important public health concern. The purpose of the present study was to determine 1) the proportion of girls (≤18 years) and women (>18 years) who experienced physical violence by a sexual partner, and 2) factors (including self-reported HIV infection) associated with girls and women who experienced physical violence by a sexual partner. METHODS: Cross-sectional surveys conducted in the Gem Health and Demographic Surveillance System (HDSS) area in Siaya County, western Kenya in 2011-2012 (Round 1) and 2013-2014 (Round 2)...
December 2017: Journal of Global Health
https://www.readbyqxmd.com/read/28883972/molecular-characterization-and-antibiotic-resistance-profiles-of-salmonella-isolated-from-fecal-matter-of-domestic-animals-and-animal-products-in-nairobi
#8
Diana Nyabundi, Nyamongo Onkoba, Rinter Kimathi, Atunga Nyachieo, Gerald Juma, Peter Kinyanjui, Joseph Kamau
BACKGROUND: Salmonella has significant public health implications causing food borne and zoonotic diseases in humans. Treatment of infections due to Salmonella is becoming difficult due to emergence of drug resistant strains. There is therefore need to characterize the circulating non-typhoidal Salmonella (NTS) serovars in domestic animals and animal products in Kenya as well as determine their antibiotic resistance profiles. METHODS: A total of 740 fecal samples were collected from cows (n = 150), pigs (n = 182), chicken (n = 191) and chicken eggs (n = 217) from various markets and abattoirs in Nairobi...
2017: Tropical Diseases, Travel Medicine and Vaccines
https://www.readbyqxmd.com/read/28877208/surveillance-for-falsified-and-substandard-medicines-in-africa-and-asia-by-local-organizations-using-the-low-cost-gphf-minilab
#9
Albert Petersen, Nadja Held, Lutz Heide
BACKGROUND: Substandard and falsified medical products present a serious threat to public health, especially in low- and middle-income countries. Their identification using pharmacopeial analysis is expensive and requires sophisticated equipment and highly trained personnel. Simple, low-cost technologies are required in addition to full pharmacopeial analysis in order to accomplish widespread routine surveillance for poor-quality medicines in low- and middle-income countries. METHODS: Ten faith-based drug supply organizations in seven countries of Africa and Asia were each equipped with a Minilab of the Global Pharma Health Fund (GPHF, Frankfurt, Germany), suitable for the analysis of about 85 different essential medicines by thin-layer chromatography...
2017: PloS One
https://www.readbyqxmd.com/read/28813542/the-african-cholera-surveillance-network-africhol-consortium-meeting-10-11-june-2015-lom%C3%A3-togo
#10
Aline Munier, Berthe-Marie Njanpop-Lafourcade, Delphine Sauvageot, Raymond B Mhlanga, Léonard Heyerdahl, Johara Nadri, Richard Wood, Issaka Ouedraogo, Alexandre Blake, Laurent Akilimali Mukelenge, Jean-Claude B Anné, Abiba Banla Kere, Lucienne Dempouo, Sakoba Keita, José P M Langa, Issa Makumbi, Elibariki R Mwakapeje, Ian J Njeru, Olubunmi E Ojo, Isaac Phiri, Lorenzo Pezzoli, Bradford D Gessner, Martin Mengel
The fifth annual meeting of the African cholera surveillance network (Africhol) took place on 10-11 June 2015 in Lomé, Togo. Together with international partners, representatives from the 11 member countries -Cameroon, Côte d'Ivoire, Democratic Republic of Congo, Guinea, Kenya, Mozambique, Nigeria, Tanzania, Togo, Uganda, Zimbabwe- and an invited country (Malawi) shared their experience. The meeting featured three sessions: i) cholera surveillance, prevention and control in participating countries, ii) cholera surveillance methodology, such as cholera mapping, cost-effectiveness studies and the issue of overlapping epidemics from different diseases, iii) cholera laboratory diagnostics tools and capacity building...
2017: BMC Proceedings
https://www.readbyqxmd.com/read/28780116/impact-of-rotavirus-vaccination-on-rotavirus-and-all-cause-gastroenteritis-in-peri-urban-kenyan-children
#11
Ernest Apondi Wandera, Shah Mohammad, Martin Bundi, Satoshi Komoto, James Nyangao, Cyrus Kathiiko, Erick Odoyo, Gabriel Miring'u, Koki Taniguchi, Yoshio Ichinose
A monovalent rotavirus vaccine (RV1) was introduced into the National Immunization Program in Kenya in July 2014. We examined the impact of the vaccine on hospitalization for all-cause acute gastroenteritis (AGE) and rotavirus-specific AGE and strain distribution at a large referral hospital which serves a predominantly peri-urban population in Central Kenya. Data on rotavirus AGE and strain distribution were derived from ongoing hospital-based AGE surveillance. Hospital administrative data were used to compare trends in all-cause AGE...
August 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28774694/improvement-of-fungal-disease-identification-and-management-combined-health-systems-and-public-health-approaches
#12
REVIEW
Donald C Cole, Nelesh P Govender, Arunaloke Chakrabarti, Jahit Sacarlal, David W Denning
More than 1·6 million people are estimated to die of fungal diseases each year, and about a billion people have cutaneous fungal infections. Fungal disease diagnosis requires a high level of clinical suspicion and specialised laboratory testing, in addition to culture, histopathology, and imaging expertise. Physicians with varied specialist training might see patients with fungal disease, yet it might remain unrecognised. Antifungal treatment is more complex than treatment for bacterial or most viral infections, and drug interactions are particularly problematic...
July 31, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28767714/hiv-associated-mortality-in-the-era-of-antiretroviral-therapy-scale-up-nairobi-kenya-2015
#13
Peter W Young, Andrea A Kim, Joyce Wamicwe, Lilly Nyagah, Catherine Kiama, John Stover, Johansen Oduor, Emily A Rogena, Edwin Walong, Emily Zielinski-Gutierrez, Andrew Imbwaga, Martin Sirengo, Timothy A Kellogg, Kevin M De Cock
BACKGROUND: Declines in HIV prevalence and increases in antiretroviral treatment coverage have been documented in Kenya, but population-level mortality associated with HIV has not been directly measured. In urban areas where a majority of deaths pass through mortuaries, mortuary-based studies have the potential to contribute to our understanding of excess mortality among HIV-infected persons. We used results from a cross-sectional mortuary-based HIV surveillance study to estimate the association between HIV and mortality for Nairobi, the capital city of Kenya...
2017: PloS One
https://www.readbyqxmd.com/read/28736393/traditional-healers-faith-healers-and-medical-practitioners-the-contribution-of-medical-pluralism-to-bottlenecks-along-the-cascade-of-care-for-hiv-aids-in-eastern-and-southern-africa
#14
MULTICENTER STUDY
Mosa Moshabela, Dominic Bukenya, Gabriel Darong, Joyce Wamoyi, Estelle McLean, Morten Skovdal, William Ddaaki, Kenneth Ondeng'e, Oliver Bonnington, Janet Seeley, Victoria Hosegood, Alison Wringe
OBJECTIVES: There are concerns that medical pluralism may delay patients' progression through the HIV cascade-of-care. However, the pathways of impact through which medical pluralism influence the care of people living with HIV (PLHIV) in African settings remain unclear. We sought to establish the manifestation of medical pluralism among PLHIV, and explore mechanisms through which medical pluralism contributes bottlenecks along the HIV care cascade. METHODS: We conducted a multicountry exploratory qualitative study in seven health and demographic surveillance sites in six eastern and southern African countries: Uganda, Kenya, Tanzania, Malawi, Zimbabwe and South Africa...
July 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28731901/should-first-line-empiric-treatment-strategies-for-neonates-cover-coagulase-negative-staphylococcal-infections-in-kenya
#15
Anna C Seale, Christina W Obiero, Kelsey D Jones, Hellen C Barsosio, Johnstone Thitiri, Moses Ngari, Susan Morpeth, Shebe Mohammed, Gregory Fegan, Neema Mturi, James A Berkley
BACKGROUND: Neonatal mortality remains high in sub-Saharan Africa, and a third of deaths are estimated to result from infection. While coagulase-negative staphylococci (CoNS) are leading neonatal pathogens in resource-rich settings, their role, and the need for early anti-Staphylococcal treatment in empiric antibiotic guidelines, is unknown in sub-Saharan Africa. METHODS: We examined systematic clinical and microbiologic surveillance data from all neonatal admissions to Kilifi County Hospital (1998-2013) to determine associated case fatality and/or prolonged duration of admission associated with CoNS in neonates treated according to standard World Health Organization guidelines...
November 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28729018/sustained-reduction-in-vaccine-type-invasive-pneumococcal-disease-despite-waning-effects-of-a-catch-up-campaign-in-kilifi-kenya-a-mathematical-model-based-on-pre-vaccination-data
#16
John Ojal, Stefan Flasche, Laura L Hammitt, Donald Akech, Moses C Kiti, Tatu Kamau, Ifedayo Adetifa, Markku Nurhonen, J Anthony G Scott, Kari Auranen
BACKGROUND: In 2011, Kenya introduced the 10-valent pneumococcal conjugate vaccine together with a catch-up campaign for children aged <5years in Kilifi County. In a post-vaccination surveillance study based in Kilifi, there was a substantial decline in invasive pneumococcal disease (IPD). However, given the continued circulation of the vaccine serotypes it is possible that vaccine-serotype disease may re-emerge once the effects of the catch-up campaign wear off. METHODS: We developed a compartmental, age-structured dynamic model of pneumococcal carriage and invasive disease for three serotype groups: the 10-valent vaccine serotypes and two groups of non-vaccine serotypes based on their susceptibility to mutual competition...
August 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28722634/cystic-echinococcosis-in-turkana-kenya-the-role-of-cross-sectional-screening-surveys-in-assessing-the-prevalence-of-human-infection
#17
COMPARATIVE STUDY
Nadia Solomon, Eberhard Zeyhle, Jane Carter, John Wachira, Asrat Mengiste, Thomas Romig, Paul J Fields, Calum N L Macpherson
Cystic echinococcosis (CE) is a neglected zoonotic disease caused by Echinococcus granulosus. Infection leads to formation of cysts within the viscera of the human host. In the 1980s, the transhumant population of northwest Turkana, Kenya, was found to have the highest prevalence of CE in the world. In 1983, AMREF Health Africa and the Kenya Medical and Research Institute launched a CE Control Program in northwest Turkana, screening and treating the local people. This epidemiological study of CE in Turkana analyses approximately 30 years of surveillance and surgical data...
August 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722500/post-marketing-surveillance-study-of-the-long-term-use-of-mizoribine-for-the-treatment-of-lupus-nephritis-2-year-results
#18
Tsutomu Takeuchi, Kenya Okada, Hisao Yoshida, Nobuyuki Yagi
OBJECTIVES: To understand the status of mizoribine use in patients with lupus nephritis (LN) and to collect safety- and efficacy-related data on 2-year treatment with mizoribine. METHODS: A continuous survey was conducted between March 2010 and July 2015. RESULTS: The analysis set included 559 patients (mean age 39.5 years, females 82.6%, mean duration of systemic lupus erythematosus (SLE) 8.4 years, mean duration of LN 5.9 years). Renal function was satisfactory for 6 months, but worsened from 12 months, with significant worsening at 24 months...
July 19, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28721858/detection-of-african-swine-fever-virus-in-the-tissues-of-asymptomatic-pigs-in-smallholder-farming-systems-along-the-kenya-uganda-border-implications-for-transmission-in-endemic-areas-and-asf-surveillance-in-east-africa
#19
Edward Okoth Abworo, Cynthia Onzere, Joshua Oluoch Amimo, Victor Riitho, Waithaka Mwangi, Jocelyn Davies, Sandra Blome, Richard Peter Bishop
The persistence of African swine fever virus (ASFV) in endemic areas, with small-scale but regular outbreaks in domestic pigs, is not well understood. ASFV has not been detected using conventional diagnosis in these pigs or adjacent populations of resistant African wild pigs, that could act as potential carriers during the outbreaks. However, such data are crucial for the design of evidence-based control strategies. We conducted cross-sectional (1107 pigs) and longitudinal (100 pigs) monitoring of ASFV prevalence in local pigs in Kenya and Uganda...
July 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28719301/development-of-a-real-time-reverse-transcription-polymerase-chain-reaction-for-o-nyong-nyong-virus-and-evaluation-with-clinical-and-mosquito-specimens-from-kenya
#20
Jesse Waggoner, Claire Jane Heath, Bryson Ndenga, Francis Mutuku, Malaya K Sahoo, Alisha Mohamed-Hadley, John Vulule, Dunstan Mukoko, A Desiree LaBeaud, Benjamin A Pinsky
O'nyong-nyong virus (ONNV), an alphavirus closely related to chikungunya virus (CHIKV), has been the documented cause of two large outbreaks in east Africa; however, little is known about the contribution of ONNV to cases of acute febrile illness during interepidemic periods. An ONNV real-time reverse transcription polymerase chain reaction (rRT-PCR) was developed and evaluated using clinical and mosquito pool samples. The ONNV rRT-PCR linear range extended from 8.0 to 2.0 log10 copies/μL, and the lower limit of 95% detection was 22...
July 2017: American Journal of Tropical Medicine and Hygiene
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