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Nigeria

Is the malaria short course for program managers, a priority for malaria control effort in Nigeria? Evidence from a qualitative study

July 30, 2020 - 13:22 -- Open Access
Author(s): 
Ajayi IO, Ajumobi O, Ogunwale A, Adewole A, Odeyinka OT, Balogun MS, Nguku P, Bamiselu O
Reference: 
PLoS ONE 15(7): e0236576

A Malaria Short Course (MSC) was conceptualized to build the capacity of program managers for malaria control due to the lack of a single comprehensive broad-based programmatic training in Nigeria. Prior to its implementation, a needs assessment was conducted based on the perspectives of stakeholders to plan and develop the curriculum.

NOT Open Access | Comparing the accuracy of lay diagnosis of childhood malaria and pneumonia with that of the revised IMCI guidelines in Nigeria

July 20, 2020 - 15:08 -- NOT Open Access
Author(s): 
Elimian KO, Myles PR, Phalkey R, Sadoh A, Pritchard C
Reference: 
J Public Health (Oxf). 2020 Jul 15:fdaa103

Improving caregivers’ recognition of childhood malaria and pneumonia is crucial to early treatment and improving outcomes. The objective of this study was to assess the accuracy and reliability of caregivers’ recognition of malaria and pneumonia (lay diagnosis) as compared to the revised IMCI guidelines.

High multiple mutations of Plasmodium falciparum-resistant genotypes to sulphadoxine-pyrimethamine in Lagos, Nigeria

July 14, 2020 - 15:34 -- Open Access
Author(s): 
Quan H, Igbasi U, Oyibo W, Omilabu S, Chen SB, Shen HM, Okolie C, Chen JH, Zhou XN
Reference: 
Infect Dis Poverty. 2020 Jul 11; 9(1):91

Plasmodium falciparum-resistance to sulphadoxine-pyrimethamine (SP) has been largely reported among pregnant women. However, the profile of resistance markers to SP dihydrofolate reductase (dhfr) and dihydropteroate synthase (dhps) in the general population are varied and not frequently monitored. Currently, SP is used as partner drug for artemisinin combination therapy (SP-artesunate) in some sub-Saharan African countries or as a prophylactic drug in intermittent preventive treatment of malaria during pregnancy and infants and in seasonal malaria chemoprevention (SMC). Profiling of P. falciparum-resistant genotypes to SP is dynamic and critical in providing data that would be useful for malaria control programmes. This study assessed the profile of dhfr and dhps genes genotypes among individuals with malaria in Lagos, Nigeria.

Presence of additional Plasmodium vivax malaria in Duffy negative individuals from Southwestern Nigeria

June 30, 2020 - 14:18 -- Open Access
Author(s): 
Mary Aigbiremo Oboh, Upasana Shyamsunder Singh, Daouda Ndiaye, Aida Sadikh Badiane, Nazia Anwar Ali, Praveen Kumar Bharti and Aparup Das
Reference: 
Malaria Journal 2020 19:229, 26 June 2020

Malaria in sub-Saharan Africa (sSA) is thought to be mostly caused by Plasmodium falciparum. Recently, growing reports of cases due to Plasmodium ovale, Plasmodium malariae, and Plasmodium vivax have been increasingly observed to play a role in malaria epidemiology in sSA. This in fact is due to the usage of very sensitive diagnostic tools (e.g. PCR), which have highlighted the underestimation of non-falciparum malaria in this sub-region. Plasmodium vivax was historically thought to be absent in sSA due to the high prevalence of the Duffy negativity in individuals residing in this sub-continent. Recent studies reporting detection of vivax malaria in Duffy-negative individuals from Mali, Mauritania, Cameroon challenge this notion.

Haematological Parameters and Spleen Rate of Asymptomatic and Malaria Negative Children in Edo South District, Nigeria

June 29, 2020 - 16:25 -- Open Access
Author(s): 
Nwaneri D, Oladipo O, Ifebi E, Oviawe O, Asemota O, Ogboghodo B, Israel-Aina Y, Sadoh A
Reference: 
Ann Glob Health. 2020 Jun 17; 86(1):62

Malaria is commonly associated with alteration in haematologic cells of infected individuals in both the acute uncomplicated and severe phases. Whether this alteration occurs in the asymptomatic phase of the disease is still being investigated.

NOT Open Access | Species Composition of Anopheles (Diptera: Culicidae) in Selected Forested Tourist Areas of Nigeria Endemic for Malaria

June 23, 2020 - 15:22 -- NOT Open Access
Author(s): 
Oduwole OA, Oringanje CM, Oduola AO, Nwachuku NS, Meremikwu MM, Alaribe AAA
Reference: 
J Med Entomol. 2020 Jun 19:tjaa110

The study was carried out to determine relative abundance, species diversity, of Anopheles species (Diptera: Culicidae) in selected forested areas in Cross River State, Nigeria and the prevalence of malaria infection in the specimens. Mosquitoes were collected using pyrethrum spray catch and Centre for Disease Control light traps modified with yeast and sugar to generate carbon dioxide (CO2) and identified using morphological identification keys. We used a multiplex polymerase chain reaction followed by restriction fragment length polymorphism (PCR-RFLP) to simultaneously distinguish sibling species of the An. gambiae s.l, including separation of An. gambiae s.s. and An. coluzzii (Diptera: Culicidae).

Identification of Mutations in Antimalarial Resistance Gene Kelch13 from plasmodium falciparum Isolates in Kano, Nigeria

June 2, 2020 - 09:26 -- Open Access
Author(s): 
Abubakar UF, Adam R, Mukhtar MM, Muhammad A, Yahuza AA, Ibrahim SS
Reference: 
Trop Med Infect Dis. 2020 May 27; 5 (2):E85

Malaria control relies on first-line treatments that use artemisinin-combination therapies (ACT). Unfortunately, mutations in the plasmodium falciparum kelch13 gene result in delayed parasite clearance. Research on what is causing ACT failure is non-existent in northwestern Nigeria. Thus, the presence of mutations in kelch13 in P. falciparum isolates from Kano, Nigeria was investigated in this study.

Statistical Modelling of the Effects of Weather Factors on Malaria Occurrence in Abuja, Nigeria

May 21, 2020 - 06:31 -- Open Access
Author(s): 
Segun OE, Shohaimi S, Nallapan M, Lamidi-Sarumoh AA, Salari N
Reference: 
Int J Environ Res Public Health. 2020 May 16;17(10):E3474

Despite the increase in malaria control and elimination efforts, weather patterns and ecological factors continue to serve as important drivers of malaria transmission dynamics. This study examined the statistical relationship between weather variables and malaria incidence in Abuja, Nigeria.

A validation of the Malaria Atlas Project maps and development of a new map of malaria transmission in Sokoto, Nigeria: a cross-sectional study using geographic information systems

April 13, 2020 - 13:53 -- Open Access
Author(s): 
Usman Nasir Nakakana, Ismaila Ahmed Mohammed, B. O. Onankpa, Ridwan M. Jega and Nma Muhammad Jiya
Reference: 
Malaria Journal 2020 19:149, 8 April 2020

Malaria remains a major cause of morbidity and mortality among children in Africa. There is inadequate information regarding malaria transmission-intensity in some of the worst-affected parts of sub-Saharan Africa (SSA). The Malaria Atlas Project (MAP) was developed in 2006, to project estimates of malaria transmission intensity where this data is not available, based on the vector behaviour for malaria. Data from malariometric studies globally were obtained and modelled to provide prevalence estimates. The sensitivity of these maps, however, reduces with unavailability of data. This necessitates a validation of these maps locally, and investigation into alternative methods of predicting prevalence to guide malaria control interventions and improve their efficiency and effectiveness. This study was conducted to compare the true estimates in Sokoto, Nigeria, with the MAP projections for north-western Nigeria, and it proposes an alternative way of mapping malaria intensity in Nigeria and beyond.

Individual and contextual correlates of mosquito net use among women in Nigeria

April 10, 2020 - 17:10 -- Open Access
Author(s): 
Sulaimon T. Adedokun and Olalekan A. Uthman
Reference: 
Malaria Journal 2020 19:138, 7 April 2020

Malaria has been described as an urgent public health priority with almost half of the world’s population being at risk. Use of insecticide-treated nets is considered one of the effective ways of preventing malaria. Nigeria, which is ranked among the five countries that are responsible for almost half of the global malaria cases, has less than half of its women population using mosquito nets. This study examined the effects of individual and contextual factors on the use of mosquito nets among women of reproductive age in Nigeria.

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