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Lista de obras de Kwadwo Ansah Koram

A SYBR Green 1-based in vitro test of susceptibility of Ghanaian Plasmodium falciparum clinical isolates to a panel of anti-malarial drugs

artículo científico publicado en 2013

A community-wide study of malaria reduction: Evaluating efficacy and user-acceptance of a low-cost repellent in Northern Ghana

artículo científico publicado en 2012

A novel locus of resistance to severe malaria in a region of ancient balancing selection.

artículo científico publicado en 2015

A randomized, comparative study of supervised and unsupervised artesunate-amodiaquine, for the treatment of uncomplicated malaria in Ghana

artículo científico publicado en 2008

A randomized, double-blind, placebo-controlled, dose-ranging trial of tafenoquine for weekly prophylaxis against Plasmodium falciparum

artículo científico publicado en 2003

A shared Asian origin of the triple-mutant dhfr allele in Plasmodium falciparum from sites across Africa

artículo científico publicado en 2007

Absolute levels and ratios of proinflammatory and anti-inflammatory cytokine production in vitro predict clinical immunity to plasmodium falciparum malaria

artículo científico publicado en 2002

Acquisition of IGG to ICAM-1-Binding DBLΒ Domains in the plasmodium falciparum erythrocyte membrane protein 1 antigen family varies between groups A, B, and C

artículo científico publicado en 2019

Amodiaquine in future combination treatment of malaria in Ghana

artículo científico publicado en 2007

An outbreak of suspected cutaneous leishmaniasis in Ghana: Lessons learnt and preparation for future outbreaks

artículo científico publicado en 2011

Anaemia caused by asymptomatic plasmodium falciparum infection in semi-immune african schoolchildren

artículo científico publicado en 1999

Anti-sporozoite antibodies as alternative markers for malaria transmission intensity estimation

artículo científico publicado en 2014

Anti-trypanosomal activity of diarylheptanoids isolated from the bark of alnus japonica

research work

Antibodies to Plasmodium falciparum antigens and the risk of clinical malaria in endemic populations

artículo científico publicado en 2011

Antibodies to variant antigens on the surfaces of infected erythrocytes are associated with protection from malaria in Ghanaian children.

artículo científico publicado en 2001

Antibody levels to multiple malaria vaccine candidate antigens in relation to clinical malaria episodes in children in the kasena-nankana district of northern ghana

artículo científico publicado en 2011

Antibody response to 17D yellow fever vaccine in Ghanaian infants

artículo científico publicado en 2001

Antigenicity and immune correlate assessment of seven Plasmodium falciparum antigens in a longitudinal infant cohort from northern Ghana

scientific article published on 13 June 2019

Antimalarial drug use among caregivers in Ghana.

artículo científico publicado en 2004

Antimalarial prescribing practices: A challenge to malaria control in Ghana

artículo científico publicado en 2005

Antitrypanosomal Activities and Mechanisms of Action of Novel Tetracyclic Iridoids from Morinda lucida Benth.

artículo científico publicado en 2016

Assessment of antimalarial drug resistant markers in asymptomatic Plasmodium falciparum infections after 4 years of indoor residual spraying in Northern Ghana

artículo científico publicado en 2020

Association of the GNAS locus with severe malaria

artículo científico publicado en 2008

Association of the GNAS locus with severe malaria. Human Genetics,

artículo científico

Author Correction: The temporal dynamics and infectiousness of subpatent Plasmodium falciparum infections in relation to parasite density

artículo científico publicado en 2019

Biochemical and hematologic parameters for children in the middle belt of Ghana

scholarly article

Characterisation of the opposing effects of G6PD deficiency on cerebral malaria and severe malarial anaemia

scientific article published on 09 January 2017

Characteristics of severe anemia and its association with malaria in young children of the Kassena-Nankana district of northern Ghana.

artículo científico publicado en 2002

Characterizing local-scale heterogeneity of malaria risk: a case study in Bunkpurugu-Yunyoo district in northern Ghana

scientific article published on 15 March 2019

Children, pregnant women and the culture of malaria in two rural communities of Ghana

artículo científico publicado en 2007

Cholera and Ebola Virus Disease in Ghana

artículo científico publicado en 2014

Chronic non-communicable diseases and the challenge of universal health coverage: Insights from community-based cardiovascular disease research in urban poor communities in Accra, Ghana

artículo científico publicado en 2014

Clinical case definitions and malaria vaccine efficacy

artículo científico publicado en 2005

Clinical case definitions for malaria: Clinical malaria associated with very low parasite densities in african infants

artículo científico publicado en 1998

Co-evolution of Human Leukocyte Antigen (HLA) Class I Ligands with Killer-Cell Immunoglobulin-Like Receptors (KIR) in a Genetically Diverse Population of Sub-Saharan Africans

artículo científico publicado en 2013

Community concepts of malaria-related illness with and without convulsions in southern Ghana

artículo científico publicado en 2005

Comparative efficacy of antimalarial drugs including ACTs in the treatment of uncomplicated malaria among children under 5 years in Ghana

artículo científico publicado en 2005

Comparison of AIK-C measles vaccine in infants at 6 months with schwarz vaccine at 9 months: A randomized controlled trial in Ghana

artículo científico publicado en 1998

Corrigendum to “Procyanidin trimer C1 derived from Theobroma cacao reactivates latent human immunodeficiency virus type 1 provirus” [Biochem. Biophys. Res. Commun. 459 (2) (3 April 2015) 288–293]

scholarly article by Takanori Hori published in June 2015

Coverage of intermittent preventive treatment of malaria in pregnancy (IPTp) influences delivery outcomes among women with obstetric referrals at the district level in Ghana

artículo científico publicado en 2020

Detecting local risk factors for residual malaria in northern Ghana using Bayesian model averaging

scholarly article

Detection of malaria sporozoites by standard ELISA and VecTest™ dipstick assay in field-collected anopheline mosquitoes from a malaria endemic site in Ghana

artículo científico publicado en 2003

Determination of the absolute configuration of the novel anti-trypanosomal iridoid molucidin isolated from Morinda lucida by X-ray analysis

research work

Development and validation of a prediction model for gestational hypertension in a Ghanaian cohort

artículo científico publicado en 2017

Do maternally acquired antibodies protect infants from malaria infection?

artículo científico publicado en 2001

Does apolipoprotein E polymorphism influence susceptibility to malaria?

artículo científico publicado en 2003

Does radical cure of asymptomatic plasmodium falciparum place adults in endemic areas at increased risk of recurrent symptomatic malaria?

artículo científico publicado en 2002

Dynamics of the antibody response to Plasmodium falciparum infection in African children

artículo científico publicado en 2014

Effect of removing direct payment for health care on utilisation and health outcomes in Ghanaian children: a randomised controlled trial

artículo científico

Effectiveness of combined intermittent preventive treatment for children and timely home treatment for malaria control

artículo científico publicado en 2009

Efficacy of Amodiaquine/Artesunate combination therapy for uncomplicated malaria in children under five years in Ghana

artículo científico publicado en 2008

Efficacy of Artesunate/Amodiaquine in the Treatment of Uncomplicated Malaria among Children in Ghana

artículo científico publicado en 2017

Entomological risk factors for severe malaria in a peri-urban area of the Gambia. Annals of Tropical Medicine and Parasitology

artículo científico

Epidemiology of COVID-19 outbreak in Ghana, 2020

artículo científico publicado en 2020

Ethics: Fair benefits for research in developing countries: Participants in the 2001 conference on ethical aspects of research in developing countries.

artículo científico

Evolution of antimalarial drug resistance markers in the reservoir of Plasmodium falciparum infections in the Upper East Region of Ghana

scientific article published on 27 May 2020

Explanatory models of stroke in Ghana: perspectives of stroke survivors and their caregivers

scientific article published on 29 March 2019

Extent of inappropriate prescription of artemisinin and anti‑malarial injections to febrile outpatients, a cross‑sectional analytic survey in the Greater Accra region, Ghana

scientific article published on 27 September 2019

Fever in Africa and WHO recommendation

artículo científico publicado en 1997

Genetic diversity of Plasmodium falciparum isolates from uncomplicated malaria cases in Ghana over a decade

artículo científico publicado en 2016

Genome-wide and fine-resolution association analysis of malaria in West Africa

artículo científico publicado en 2009

Genotypic diversity and drug susceptibility patterns among M. tuberculosis complex isolates from South-Western Ghana

artículo científico publicado en 2011

Good Clinical Laboratory Practices Improved Proficiency Testing Performance at Clinical Trials Centers in Ghana and Burkina Faso

artículo científico publicado en 2012

HLA-DRB1*04 allele is associated with severe malaria in northern Ghana.

artículo científico publicado en 2008

Haematological and biochemical reference values for healthy adults in the Middle Belt of Ghana

artículo científico publicado en 2012

Haplotype analyses of haemoglobin C and haemoglobin S and the dynamics of the evolutionary response to malaria in Kassena-Nankana district of Ghana

artículo científico publicado en 2012

High frequency of circulating γδ T cells with dominance of the V(δ)1 subset in a healthy population.

artículo científico

High incidence of asymptomatic malaria infections in a birth cohort of children less than one year of age in Ghana, detected by multicopy gene polymerase chain reaction

artículo científico publicado en 1998

Immune Signature Against Plasmodium falciparum Antigens Predicts Clinical Immunity in Distinct Malaria Endemic Communities

scientific article published on 28 October 2019

Impact of an Irrigation Dam on the Transmission and Diversity of Plasmodium falciparum in a Seasonal Malaria Transmission Area of Northern Ghana

scientific article published on 19 March 2020

Impact of indoor residual spraying on malaria parasitaemia in the Bunkpurugu-Yunyoo District in northern Ghana

scholarly article

Impact of treating young children with antimalarials with or without antibiotics on morbidity: A cluster-randomized controlled trial in ghana

artículo científico publicado en 2013

Improved prediction of gestational hypertension by inclusion of placental growth factor and pregnancy associated plasma protein-a in a sample of Ghanaian women

artículo científico publicado en 2018

Incidence of medically attended influenza among residents of Shai-Osudoku and Ningo-Prampram Districts, Ghana, May 2013 - April 2015

artículo científico publicado en 2016

Incidence of symptomatic and asymptomatic plasmodium falciparum infection following curative therapy in adult residents of northern Ghana

artículo científico publicado en 2001

Increased eosinophil activity in acute plasmodium falciparum infection - association with cerebral malaria

artículo científico publicado en 1998

Increased pfmdr1 gene copy number and the decline in pfcrt and pfmdr1 resistance alleles in Ghanaian Plasmodium falciparum isolates after the change of anti-malarial drug treatment policy

artículo científico publicado en 2013

Information gaps in surveillance data and effects on the Ghanaian response to the Ebola outbreak in West Africa

artículo científico publicado en 2017

Intermittent preventive treatment for children (IPTC) combined with timely home treatment for malaria control

artículo científico publicado en 2012

Lack of Geospatial Population Structure Yet Significant Linkage Disequilibrium in the Reservoir of Plasmodium falciparum in Bongo District, Ghana

artículo científico

Lack of association between maternal antibody and protection of African infants from malaria infection

artículo científico publicado en 2000

Lack of gender-specific antibody recognition of products from domains of a var gene implicated in pregnancy-associated Plasmodium falciparum malaria

artículo científico publicado en 2003

Levels of antibody to conserved parts of plasmodium falciparum merozoite surface protein I in Ghanaian children are not associated with protection from clinical malaria.

artículo científico

Malaria causes long-term effects on markers of iron status in children: a critical assessment of existing clinical and epidemiological tools

scientific article published on 11 December 2018

Malaria control in Africa: progress but still much to do

artículo científico publicado en 2014

Malaria transmission dynamics at a site in northern Ghana proposed for testing malaria vaccines

artículo científico publicado en 2004

Malaria vaccine deployment in Africa: focus on Ghana

scientific article published on 01 June 2019

Malaria vaccine development: an endemic country perspective

artículo científico publicado en 2010

Malaria vaccine research and testing in Africa

artículo científico publicado en 1998

Malaria vector studies in two ecological zones in southern Ghana.

artículo científico

Malaria-induced acquisition of antibodies to plasmodium falciparum variant surface antigens

artículo científico publicado en 2002

Malaria-related beliefs and behaviour in southern Ghana: Implications for treatment, prevention and control

artículo científico

Malaria-related beliefs and behaviour in southern Ghana: implications for treatment, prevention and control

scholarly article by Collins K. Ahorlu et al published May 1997 in Tropical Medicine and International Health

Measurement of ex vivo ELISpot interferon-gamma recall responses to Plasmodium falciparum AMA1 and CSP in Ghanaian adults with natural exposure to malaria

artículo científico publicado en 2016

Measuring Regional and District Variations in the Incidence of Pregnancy-induced Hypertension (PIH) in Ghana: Challenges, Opportunities and Implications for Maternal and Newborn Health Policy and Programs

artículo científico publicado en 2015

Measuring naturally acquired ex vivo IFN-γ responses to Plasmodium falciparum cell-traversal protein for ookinetes and sporozoites (CelTOS) in Ghanaian adults

artículo científico publicado en 2015

Measuring naturally acquired immune responses to candidate malaria vaccine antigens in Ghanaian adults

artículo científico publicado en 2011

Measuring regional and district variations in the incidence of pregnancy-induced hypertension in Ghana: Challenges, opportunities and implications for maternal and newborn health policy and programmes

artículo científico

Mefloquine (MQ) single dose 20 mg/kg treatment of falciparum malaria was evaluated in 186 children of 6-24 months of age in northern Ghana

artículo científico

Mefloquine treatment for uncomplicated falciparum malaria in young children 6-24 months of age in northern Ghana.

artículo científico publicado en 2007

Meiotic recombination generates rich diversity in NK cell receptor genes, alleles, and haplotypes.

artículo científico publicado en 2009

Molecular epidemiology of Mycobacterium africanum in Ghana

artículo científico publicado en 2016

Monitoring malaria using health facility based surveys: Challenges and limitations

artículo científico publicado en 2016

Mutations in plasmodium falciparum chloroquine resistance transporter and multidrug resistance genes, and treatment outcomes in Ghanaian children with uncomplicated malaria

artículo científico publicado en 2006

Naturally acquired antibodies to the glutamate-rich protein are associated with protection against plasmodium falciparum malaria

artículo científico publicado en 2000

New anti-trypanosomal active tetracyclic iridoid isolated from Morinda lucida Benth

artículo científico publicado en 2015

Non-malaria fevers in a high malaria endemic area of Ghana

artículo científico publicado en 2016

Normal CD4+ T lymphocyte levels in HIV seronegative individuals in the Manya/Yilo krobo communities in the eastern region of Ghana

artículo científico publicado en 2006

Novel plasmodium falciparum clones and rising clone multiplicities are associated with the increase in malaria morbidity in Ghanaian children during the transition into the high transmission season

artículo científico publicado en 2001

PP081. Predictors of pregnancy induced hypertension in an urban low resource setting

artículo científico publicado en 2013

Patterns of cardiovascular disease mortality in Ghana: A 5-year review of autopsy cases at Korle-Bu teaching hospital

artículo científico

Perceptions, Attitudes and Acceptance of Aretemisinin Combination Therapy for the Treatment of Uncomplicated Malaria in Ghana.

artículo científico publicado en 2009

Perspectives on Research Internships for Medical Students and Young Doctors in Ghana: An Opportunity to Replenish the Stock of Physician Investigators?

artículo científico publicado en 2020

Placental malaria and the risk of malaria in infants in a high malaria transmission area in Ghana: A prospective cohort study

artículo científico publicado en 2013

Plasma antibodies from malaria-exposed pregnant women recognize variant surface antigens on plasmodium falciparum-infected erythrocytes in a parity-dependent manner and block parasite adhesion to chondroitin sulfate A.

artículo científico publicado en 2000

Plasmodium falciparum Kelch Propeller Polymorphisms in Clinical Isolates from Ghana from 2007 to 2016

scientific article published on 22 October 2019

Plasmodium falciparum genetic factors rather than host factors are likely to drive resistance to ACT in Ghana

artículo científico publicado en 2020

Positive selection of a CD36 nonsense variant in sub-saharan Africa, but no association with severe malaria phenotypes

artículo científico publicado en 2009

Prevalence and correlates of stroke among older adults in Ghana: Evidence from the Study on Global AGEing and adult health (SAGE)

research work

Prevalence of Plasmodium falciparum delayed clearance associated polymorphisms in adaptor protein complex 2 mu subunit (pfap2mu) and ubiquitin specific protease 1 (pfubp1) genes in Ghanaian isolates

artículo científico publicado en 2018

Prevalence of enteric infections among hospitalized patients in two referral hospitals in Ghana

artículo científico publicado en 2017

Priority Research for Capacity Building- Extractive Industry mainly Mining, Oil and Gas, Agriculture and Disease Control Activiites Eg. Indoor residual spraying versus burden on chronic diseases.

artículo científico

Probing the composition of Plasmodium species contained in malaria infections in the Eastern region of Ghana

artículo científico publicado en 2019

Procyanidin trimer C1 derived from Theobroma cacao reactivates latent human immunodeficiency virus type 1 provirus

artículo científico publicado en 2015

Re: Musings on malaria morbidity and mortality after the new Mosquirix® vaccine

artículo científico

Safety and immunogenicity of EBA-175 RII-NG Malaria vaccine administered intramuscularly in semi-immune adults: A Phase 1, Double-blinded placebo controlled dosage escalation study

artículo científico publicado en 2016

Safety, reactogenicity, and immunogenicity of a chimpanzee adenovirus vectored Ebola vaccine in adults in Africa: a randomised, observer-blind, placebo-controlled, phase 2 trial

artículo científico publicado en 2020

Safety, reactogenicity, and immunogenicity of a chimpanzee adenovirus vectored Ebola vaccine in children in Africa: a randomised, observer-blind, placebo-controlled, phase 2 trial

artículo científico publicado en 2020

Seasonal Variation in the Epidemiology of Asymptomatic Plasmodium falciparum Infections across Two Catchment Areas in Bongo District, Ghana

artículo científico publicado en 2017

Seasonal malaria attack rates in infants and young children in northern Ghana

artículo científico publicado en 2002

Seasonal profiles of malaria infection, anaemia, and bednet use among age groups and communities in northern Ghana

artículo científico publicado en 2003

Seeking consent to genetic and genomic research in a rural Ghanaian setting: A qualitative study of the MalariaGEN experience.

artículo científico publicado en 2012

Selective sweeps and genetic lineages of plasmodium falciparum drug -resistant alleles in Ghana

artículo científico publicado en 2011

Sentinel surveillance for influenza among severe acute respiratory infection and acute febrile illness inpatients at three hospitals in Ghana

artículo científico publicado en 2016

Sero-epidemiology as a tool to screen populations for exposure to mycobacterium ulcerans

artículo científico publicado en 2012

Serological evidence of vector and parasite exposure in Southern Ghana: the dynamics of malaria transmission intensity

artículo científico publicado en 2015

Seroprevalence of antibodies against plasmodium falciparum sporozoite antigens as predictive disease transmission markers in an area of Ghana with seasonal malaria transmission

artículo científico publicado en 2016

Severe anemia in young children after high and low malaria transmission seasons in the Kassena-Nankana district of northern Ghana.

artículo científico publicado en 2000

Severe falciparum malaria in young children of the Kassena-Nankana district of northern Ghana

artículo científico publicado en 2007

Short report: ITS-1 DNA sequence confirmation of leishmania major as a cause of cutaneous leishmaniasis from an outbreak focus in the Ho district, southeastern Ghana

artículo científico publicado en 2006

Signatures of competition and strain structure within the major blood-stage antigen of Plasmodium falciparum in a local community in Ghana

artículo científico publicado en 2018

Socio-cultural determinants of treatment delay for childhood malaria in southern Ghana

artículo científico publicado en 2006

Species composition and risk of transmission of some Aedes-borne arboviruses in some sites in Northern Ghana

artículo científico

Sulfadoxine-pyrimethamine-based intermittent preventive treatment, bed net use, and antenatal care during pregnancy: Demographic trends and impact on the health of newborns in the kassena nankana district, northeastern Ghana

artículo científico publicado en 2010

Surveillance of molecular markers of Sulphadoxine-Pyrimethamine resistance in Ghana after the change of malaria treatment policy

artículo científico publicado en 2012

Systematic review of prediction models for gestational hypertension and preeclampsia

artículo científico publicado en 2020

TB-diabetes co-morbidity in Ghana: The importance of Mycobacterium africanum infection

research work

The First population structure and comparative genomics analysis of Mycobacterium africanum strains from Ghana reveals higher diversity of Lineage 5.

artículo científico publicado en 2016

The changing patterns of hypertension in Ghana: a study of four rural communities in the Ga District.

artículo científico publicado en 2006

The impact of indoor residual spraying on Plasmodium falciparum microsatellite variation in an area of high seasonal malaria transmission in Ghana, West Africa

artículo científico publicado en 2021

The in-vitro susceptibilities of Ghanaian plasmodium falciparum to antimalarial drugs

artículo científico publicado en 2007

The temporal dynamics and infectiousness of subpatent Plasmodium falciparum infections in relation to parasite density

artículo científico

Therapeutic efficacy of artemether-lumefantrine combination in the treatment of uncomplicated malaria among children under 5 years in 3 ecological zones in Ghana

scholarly article by Benjamin Abuaku et al published 2012 in Malaria Journal

Therapeutic efficacy of artemether-lumefantrine combination in the treatment of uncomplicated malaria among children under five years of age in three ecological zones in Ghana

artículo científico publicado en 2012

Therapeutic efficacy of artesunate-amodiaquine and artemether-lumefantrine combinations in the treatment of uncomplicated malaria in two ecological zones in Ghana

artículo científico publicado en 2016

Therapeutic efficacy of artesunate– amodiaquine and artemether–lumefantrine combinations for uncomplicated malaria in 10 sentinel sites across Ghana: 2015–2017

scientific article published on 24 June 2019

Trends in the Prevalence of Female Genital Mutilation and its Effect on Delivery Outcomes in the Kassena-Nankana District of Northern Ghana

artículo científico publicado en 2006

Two-year evaluation of intermittent preventive treatment for children (IPTc) combined with timely home treatment for malaria control in Ghana.

artículo científico publicado en 2011

Understanding and Retention of informed consent process among Parents in a Rural Northern Ghana

artículo científico publicado en 2008

Unusual selection on the KIR3DL1/S1 natural killer cell receptor in africans

artículo científico publicado en 2007

Variations in the quality of malaria-specific antibodies with transmission intensity in a seasonal malaria transmission area of Northern Ghana

artículo científico publicado en 2017

Whole Genome Sequencing and Spatial Analysis Identifies Recent Tuberculosis Transmission Hotspots in Ghana

artículo científico publicado en 2020

Within-host competition and drug resistance in the human malaria parasite Plasmodium falciparum.

artículo científico publicado en 2016