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Guindo-Coulibaly N.,Ufr Biosciences University Of Cocody | Adja A.M.,University Of Cocody | Koudou B.G.,University dAbobo Adjame | Konan Y.L.,Institute national dhygiene publique | And 4 more authors.
European Journal of Scientific Research | Year: 2010

An epidemic outbreak of yellow fever was reported in July 2001 in the health district of Abidjan, described as one of the endemic areas, in Côte d'Ivoire. The control of arboviruses diseases emerging regularly in West Africa requires a better understanding of vectors'distribution and an updated knowledge of their seasonal variation. Thus, to investigate the distribution and determine the seasonal variation of Aedes species in Abidjan, a layer-trap based method was performed to collect different mosquito species from August 2003 to June 2004 in the following boroughs (communes): Treichville, Yopougon, Cocody and Adjamé. During this survey, a total number of 50722 eggs of Aedes sp. was collected giving an average density of 12 eggs/layer-trap/month. The eclosion rates recorded in the boroughs (communes) of Treichville, Yopougon, Cocody and Adjamé were 68.3%; 56.8%; 63.2% and 54.1%, respectively. After rearing the eggs to adult stage, females emerged were identified into species as:Aedes aegypti, Aedes africanus, Aedes vittatus, Aedes luteocephalus, Aedes dendrophilus and Aedes haworthi. Among the six species, one was collected in Treichville, 3 in Yopougon, and 2 other species in Adjamé and Cocody communes. Aedes aegypti was mainly found during the rainy season in all the 4 study sites. The average density of Aedes aegypti recorded per layer-trap per month in Treichville (5.4), Yopougon (6.1) and Cocody (6.2) was not statistically significant (P < 0.053). Meanwhile, these mean densities were statistically different from the one recorded in Adjamé (2.1) (P<0.001). The survey showed a large diversity of Aedes species distribution in the health district of Abidjan. This study highlighted the perennial presence of Aedes aegypti the major vector of yellow fever in urban area with a high predominance during the rainy season. © EuroJournals Publishing, Inc. 2010. Source

Yaye Y.G.,Ufr Biosciences University Of Cocody | Ackah J.A.,Ufr Biosciences University Of Cocody | Kra A.K.M.,Ufr Biosciences University Of Cocody | Djaman J.A.,Ufr Biosciences University Of Cocody
European Journal of Scientific Research | Year: 2012

Up to 90% of HIV infected person contract fungal infections. Among the fungal infections, aspergillosis is responsible for approximately 90% of human infections of which 50% die as a direct consequence of those infections. In this present study, 10 extracts from Terminalia mantaly H. Perrier (stem bark) were tested for their antifungal activities against clinical isolate, Aspergillus fumigatus. These extracts have been cultured in the Sabouraud agar using the double dilution method in slope tubes. Results indicated that all extracts exhibited antifungal activity in dose-response relationship. The residue extract T4-2 obtained after degreasing the concentrated hydro-alcoholic extract (T0) of Terminalia mantaly is the most active extract (MFC = 48.75μg/mL; IC50 = 20μg/mL). Besides, the phytochemical screening revealed that the most active extract T4-2 is rich in phenols and in quinones. It is surely these chemical compounds that are the basis of the anti-fungal activity of Terminalia mantaly. © EuroJournals Publishing, Inc. 2012. Source

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