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https://www.readbyqxmd.com/read/28098528/spread-and-evolution-of-respiratory-syncytial-virus-a-genotype-on1-coastal-kenya-2010-2015
#1
James R Otieno, Everlyn M Kamau, Charles N Agoti, Clement Lewa, Grieven Otieno, Ann Bett, Mwanajuma Ngama, Patricia A Cane, D James Nokes
In February 2012, the novel respiratory syncytial virus (RSV) group A, genotype ON1, was detected in Kilifi County, coastal Kenya. ON1 is characterized by a 72-nt duplication within the highly variable G gene (encoding the immunogenic attachment surface protein). Cases were diagnosed through surveillance of pneumonia in children at the county hospital. Analysis of epidemiologic, clinical, and sequence data of RSV-A viruses detected over 5 RSV seasons (2010/2011 to 2014/2015) indicated the following: 1) replacement of previously circulating genotype GA2 ON1, 2) an abrupt expansion in the number of ON1 variants detected in the 2014/2015 epidemic, 3) recently accumulation of amino acid substitutions within the ON1 duplicated sequence, and 4) no clear evidence of altered pathogenicity relative to GA2...
February 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28077633/surveillance-of-bat-coronaviruses-in-kenya-identifies-relatives-of-human-coronaviruses-nl63-and-229e-and-their-recombination-history
#2
Ying Tao, Mang Shi, Christina Chommanard, Krista Queen, Jing Zhang, Wanda Markotter, Ivan V Kuzmin, Edward C Holmes, Suxiang Tong
: Bats harbor a large diversity of coronaviruses (CoVs), several of which are related to zoonotic pathogens that cause severe disease in humans. Our screening of bat samples collected in Kenya during 2007-2010 not only detected RNA from several novel CoVs but, more significantly, identified sequences that were closely related to human CoVs NL63 and 229E, suggesting that these two human viruses originate from bats. We also demonstrated that human CoV NL63 is a recombinant between NL63-like viruses circulating in Triaenops bats and 229E-like viruses circulating in Hipposideros bats, with the break-point located near 5' and 3' end of the spike (S) protein gene...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28077093/evaluation-of-the-point-of-care-becton-dickinson-veritor%C3%A2-rapid-influenza-diagnostic-test-in-kenya-2013-2014
#3
Linus K Ndegwa, Gideon Emukule, Timothy M Uyeki, Eunice Mailu, Sandra S Chaves, Marc-Alain Widdowson, Bandika V Lewa, Francis K Muiruri, Peter Omoth, Barry Fields, Joshua A Mott
BACKGROUND: We evaluated the performance of the Becton Dickinson Veritor™ System Flu A + B rapid influenza diagnostic test (RIDT) to detect influenza viruses in respiratory specimens from patients enrolled at five surveillance sites in Kenya, a tropical country where influenza seasonality is variable. METHODS: Nasal swab (NS) and nasopharyngeal (NP)/oropharyngeal (OP) swabs were collected from patients with influenza like illness and/or severe acute respiratory infection...
January 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28069065/exploring-the-potential-of-using-cattle-for-malaria-vector-surveillance-and-control-a-pilot-study-in-western-kenya
#4
Margaret M Njoroge, Inaki Tirados, Steven W Lindsay, Glyn A Vale, Stephen J Torr, Ulrike Fillinger
BACKGROUND: Malaria vector mosquitoes with exophilic and zoophilic tendencies, or with a high acceptance of alternative blood meal sources when preferred human blood-hosts are unavailable, may help maintain low but constant malaria transmission in areas where indoor vector control has been scaled up. This residual transmission might be addressed by targeting vectors outside the house. Here we investigated the potential of insecticide-treated cattle, as routinely used for control of tsetse and ticks in East Africa, for mosquito control...
January 10, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28066878/safety-and-effectiveness-of-sodium-stibogluconate-and-paromomycin-combination-for-the-treatment-of-visceral-leishmaniasis-in-eastern-africa-results-from-a-pharmacovigilance-programme
#5
Robert Kimutai, Ahmed M Musa, Simon Njoroge, Raymond Omollo, Fabiana Alves, Asrat Hailu, Eltahir A G Khalil, Ermias Diro, Peninah Soipei, Brima Musa, Khalid Salman, Koert Ritmeijer, Francois Chappuis, Juma Rashid, Rezika Mohammed, Asfaw Jameneh, Eyasu Makonnen, Joseph Olobo, Lawrence Okello, Patrick Sagaki, Nathalie Strub, Sally Ellis, Jorge Alvar, Manica Balasegaram, Emilie Alirol, Monique Wasunna
INTRODUCTION: In 2010, WHO recommended a new first-line treatment for visceral leishmaniasis (VL) in Eastern Africa. The new treatment, a combination of intravenous (IV) or intramuscular (IM) sodium stibogluconate (SSG) and IM paromomycin (PM) was an improvement over SSG monotherapy, the previous first-line VL treatment in the region. To monitor the new treatment's safety and effectiveness in routine clinical practice a pharmacovigilance (PV) programme was developed. METHODS: A prospective PV cohort was developed...
January 9, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28056885/working-conditions-and-public-health-risks-in-slaughterhouses-in-western-kenya
#6
Elizabeth Anne Jessie Cook, William Anson de Glanville, Lian Francesca Thomas, Samuel Kariuki, Barend Mark de Clare Bronsvoort, Eric Maurice Fèvre
BACKGROUND: Inadequate facilities and hygiene at slaughterhouses can result in contamination of meat and occupational hazards to workers. The objectives of this study were to assess current conditions in slaughterhouses in western Kenya and the knowledge, and practices of the slaughterhouse workers toward hygiene and sanitation. METHODS: Between February and October 2012 all consenting slaughterhouses in the study area were recruited. A standardised questionnaire relating to facilities and practices in the slaughterhouse was administered to the foreperson at each site...
January 5, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28011185/novel-rickettsia-and-emergent-tick-borne-pathogens-a-molecular-survey-of-ticks-and-tick-borne-pathogens-in-shimba-hills-national-reserve-kenya
#7
Micky M Mwamuye, Edward Kariuki, David Omondi, James Kabii, David Odongo, Daniel Masiga, Jandouwe Villinger
Ticks are important vectors of emerging and re-emerging zoonoses, the majority of which originate from wildlife. In recent times, this has become a global public health concern that necessitates surveillance of both known and unknown tick-borne pathogens likely to be future disease threats, as well as their tick vectors. We carried out a survey of the diversity of ticks and tick-borne pathogens in Kenya's Shimba Hills National Reserve (SHNR), an area with intensified human-livestock-wildlife interactions, where we collected 4297 questing ticks (209 adult ticks, 586 nymphs and 3502 larvae)...
September 5, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27979807/clinical-and-epidemiological-implications-of-24-hour-ambulatory-blood-pressure-monitoring-for-the-diagnosis-of-hypertension-in-kenyan-adults-a-population-based-study
#8
Anthony O Etyang, Ben Warne, Sailoki Kapesa, Kenneth Munge, Evasius Bauni, J Kennedy Cruickshank, Liam Smeeth, J Anthony G Scott
BACKGROUND: The clinical and epidemiological implications of using ambulatory blood pressure monitoring (ABPM) for the diagnosis of hypertension have not been studied at a population level in sub-Saharan Africa. We examined the impact of ABPM use among Kenyan adults. METHODS AND RESULTS: We performed a nested case-control study of diagnostic accuracy. We selected an age-stratified random sample of 1248 adults from the list of residents of the Kilifi Health and Demographic Surveillance System in Kenya...
December 15, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27931229/a-national-health-facility-survey-of-malaria-infection-among-febrile-patients-in-kenya-2014
#9
Sophie Githinji, Abdisalan M Noor, Josephine Malinga, Peter M Macharia, Rebecca Kiptui, Ahmeddin Omar, Kiambo Njagi, Ejersa Waqo, Robert W Snow
BACKGROUND: The use of malaria infection prevalence among febrile patients at clinics has a potential to be a valuable epidemiological surveillance tool. However, routine data are incomplete and not all fevers are tested. This study was designed to screen all fevers for malaria infection in Kenya to explore the epidemiology of fever test positivity rates. METHODS: Random sampling was used within five malaria epidemiological zones of Kenya (i.e., high lake endemic, moderate coast endemic, highland epidemic, seasonal low transmission and low risk zones)...
December 8, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27888478/examining-the-quality-of-medicines-at-kenyan-healthcare-facilities-a-validation-of-an-alternative-post-market-surveillance-model-that-uses-standardized-patients
#10
Francis Wafula, Amy Dolinger, Benjamin Daniels, Njeri Mwaura, Guadalupe Bedoya, Khama Rogo, Ana Goicoechea, Jishnu Das, Bernard Olayo
BACKGROUND: Promoting access to medicines requires concurrent efforts to strengthen quality assurance for sustained impact. Although problems of substandard and falsified medicines have been documented in low- and middle-income countries, reliable information on quality is rarely available. OBJECTIVE: The aim of this study was to validate an alternative post-market surveillance model to complement existing models. METHODS: The study used standardized patients or mystery clients (people recruited from the local community and trained to pose as real patients) to collect medicine samples after presenting a pre-specified condition...
November 25, 2016: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/27888177/study-protocol-for-a-cluster-randomised-controlled-trial-of-an-ncd-access-to-medicines-initiative-evaluation-of-novartis-access-in-kenya
#11
Peter C Rockers, Veronika J Wirtz, Taryn Vian, Monica A Onyango, Paul G Ashigbie, Richard Laing
INTRODUCTION: Novartis recently launched Novartis Access, an initiative to provide a basket of reduced price medicines for non-communicable diseases (NCDs) to be sold through the public and private non-profit sectors in programme countries. This study will evaluate the impact of Novartis Access on the availability and price of NCD medicines at health facilities and households in Kenya, the first country to receive the programme. METHODS AND ANALYSIS: This study will be a cluster-randomised controlled trial...
November 25, 2016: BMJ Open
https://www.readbyqxmd.com/read/27881530/menstrual-cups-and-sanitary-pads-to-reduce-school-attrition-and-sexually-transmitted-and-reproductive-tract-infections-a-cluster-randomised-controlled-feasibility-study-in-rural-western-kenya
#12
Penelope A Phillips-Howard, Elizabeth Nyothach, Feiko O Ter Kuile, Jackton Omoto, Duolao Wang, Clement Zeh, Clayton Onyango, Linda Mason, Kelly T Alexander, Frank O Odhiambo, Alie Eleveld, Aisha Mohammed, Anna M van Eijk, Rhiannon Tudor Edwards, John Vulule, Brian Faragher, Kayla F Laserson
OBJECTIVES: Conduct a feasibility study on the effect of menstrual hygiene on schoolgirls' school and health (reproductive/sexual) outcomes. DESIGN: 3-arm single-site open cluster randomised controlled pilot study. SETTING: 30 primary schools in rural western Kenya, within a Health and Demographic Surveillance System. PARTICIPANTS: Primary schoolgirls 14-16 years, experienced 3 menses, no precluding disability, and resident in the study area...
November 23, 2016: BMJ Open
https://www.readbyqxmd.com/read/27881079/detection-of-west-nile-virus-in-wild-birds-in-tana-river-and-garissa-counties-kenya
#13
Doris Nyamwaya, Virginia Wang'ondu, Joshua Amimo, George Michuki, Moses Ogugo, Enoch Ontiri, Rosemary Sang, Johanna Lindahl, Delia Grace, Bernard Bett
BACKGROUND: West Nile fever virus is a zoonotic arboviral infection maintained in a sylvatic cycle involving mosquito vectors and birds. It is one the arboviruses whose geographical range is expanding because of climate and land use changes that enhance the densities of mosquitoes and promote mosquito-bird-human interactions. We carried out a survey to determine the reservoirs of WNV among wild birds in Tana River and Garissa counties, Kenya. METHODS: Blood samples were obtained from 361 randomly trapped wild birds...
November 23, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27875532/willingness-to-know-the-cause-of-death-and-hypothetical-acceptability-of-the-minimally-invasive-autopsy-in-six-diverse-african-and-asian-settings-a-mixed-methods-socio-behavioural-study
#14
Maria Maixenchs, Rui Anselmo, Emily Zielinski-Gutiérrez, Frank O Odhiambo, Clarah Akello, Maureen Ondire, S Shujaat H Zaidi, Sajid Bashir Soofi, Zulfiqar A Bhutta, Kounandji Diarra, Mahamane Djitèye, Roukiatou Dembélé, Samba Sow, Pamela Cathérine Angoissa Minsoko, Selidji Todagbe Agnandji, Bertrand Lell, Mamudo R Ismail, Carla Carrilho, Jaume Ordi, Clara Menéndez, Quique Bassat, Khátia Munguambe
BACKGROUND: The minimally invasive autopsy (MIA) is being investigated as an alternative to complete diagnostic autopsies for cause of death (CoD) investigation. Before potential implementation of the MIA in settings where post-mortem procedures are unusual, a thorough assessment of its feasibility and acceptability is essential. METHODS AND FINDINGS: We conducted a socio-behavioural study at the community level to understand local attitudes and perceptions related to death and the hypothetical feasibility and acceptability of conducting MIAs in six distinct settings in Gabon, Kenya, Mali, Mozambique, and Pakistan...
November 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27871303/geographically-weighted-regression-of-knowledge-and-behaviour-determinants-to-anti-malarial-recommending-and-dispensing-practice-among-medicine-retailers-in-western-kenya-capacitating-targeted-interventions
#15
Andria Rusk, Linda Highfield, J Michael Wilkerson, Melissa Harrell, Andrew Obala, Benjamin Amick
BACKGROUND: Most patients with malaria seek treatment first in retail drug shops. Myriad studies have examined retailer behaviours and characteristics to understand the determinants to these behaviours. Geospatial methods are helpful in discovering if geographic location plays a role in the relationship between determinants and outcomes. This study aimed to discover if spatial autocorrelation exists in the relationship between determinants and retailer behaviours, and to provide specific geographic locations and target behaviours for tailoring future interventions...
November 21, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27830387/public-health-benefits-from-livestock-rift-valley-fever-control-a-simulation-of-two-epidemics-in-kenya
#16
Tabitha Kimani, Esther Schelling, Bernard Bett, Margaret Ngigi, Tom Randolph, Samuel Fuhrimann
In controlling Rift Valley fever, public health sector optimises health benefits by considering cost-effective control options. We modelled cost-effectiveness of livestock RVF control from a public health perspective in Kenya. Analysis was limited to pastoral and agro-pastoral system high-risk areas, for a 10-year period incorporating two epidemics: 2006/2007 and a hypothetical one in 2014/2015. Four integrated strategies (baseline and alternatives), combined from three vaccination and two surveillance options, were compared...
December 2016: EcoHealth
https://www.readbyqxmd.com/read/27825350/development-and-validation-of-a-rapid-assessment-tool-for-malaria-prevention
#17
Judith Nekesa Mangeni, Diana Menya, Andrew Obala, Alyssa Platt, Wendy Prudhomme O'Meara
BACKGROUND: Insecticide-treated bed nets (ITN) have been shown to be efficacious in reducing malaria morbidity and mortality in many regions. Unfortunately in some areas, malaria has persisted despite the scale up of ITNs. Recent reports indicate that human behaviour and mosquito behaviour are potential threats to the efficacy of ITNs. However, these concerns are likely highly heterogeneous even at very small scales. This study aimed at developing, testing and validating a rapid assessment tool to collect actionable information at local levels for a quick evaluation of potential barriers to malaria prevention...
November 8, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27821697/dengue-and-west-nile-virus-transmission-in-children-and-adults-in-coastal-kenya
#18
David M Vu, Tamara Banda, Crystal Y Teng, Chelsea Heimbaugh, Eric M Muchiri, Peter L Mungai, Francis M Mutuku, Julie Brichard, Ginny Gildengorin, Erin M Borland, Ann M Powers, Uriel Kitron, Charles H King, A Desiree LaBeaud
Dengue virus (DENV) and West Nile virus (WNV) are important reemerging arboviruses that are under-recognized in many parts of Africa due to lack of surveillance. As a part of a study on flavivirus, alphavirus, and parasite exposure in coastal Kenya, we measured neutralizing antibody against DENV and, to evaluate assay specificity, WNV in serum samples that tested positive for serum anti-DENV IgG by enzyme-linked immunosorbent assay. Of 830 anti-DENV IgG-positive samples that were tested for neutralizing activity, 488 (58...
November 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27814732/detection-of-dengue-virus-serotypes-1-2-and-3-in-selected-regions-of-kenya-2011-2014
#19
Limbaso Konongoi, Victor Ofula, Albert Nyunja, Samuel Owaka, Hellen Koka, Albina Makio, Edith Koskei, Fredrick Eyase, Daniel Langat, Randal J Schoepp, Cynthia Ann Rossi, Ian Njeru, Rodney Coldren, Rosemary Sang
BACKGROUND: Dengue fever, a mosquito-borne disease, is associated with illness of varying severity in countries in the tropics and sub tropics. Dengue cases continue to be detected more frequently and its geographic range continues to expand. We report the largest documented laboratory confirmed circulation of dengue virus in parts of Kenya since 1982. METHODS: From September 2011 to December 2014, 868 samples from febrile patients were received from hospitals in Nairobi, northern and coastal Kenya...
November 4, 2016: Virology Journal
https://www.readbyqxmd.com/read/27776500/under-five-mortality-rate-variation-between-the-health-and-demographic-surveillance-system-hdss-and-demographic-and-health-survey-dhs-approaches
#20
Amare Deribew, John Ojal, Boniface Karia, Evasius Bauni, Mark Oteinde
BACKGROUND: Several low and middle-income countries (LMIC) use Demographic and Health Surveys (DHS) and/or Health and Demographic Surveillance System (HDSS) to monitor the health of their population. The level and trends of under-five mortality rates could be different in the HDSS sites compared to the DHS reports. In this study, we investigated the change in under-five mortality rates overtime in the HDSS sites and the corresponding DHS reports in eight countries and 13 sites. METHODS: Under-five mortality rates in the HDSS sites were determined using number of under-five deaths (numerator) and live births (denominator)...
October 24, 2016: BMC Public Health
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