| variation in frequency in breeding of anopheles gambiae s.l. and its relationship with in-door adult mosquito density in various localities in accra, ghana. | the work reported in this paper was undertaken to determine whether in a large urban area like accra, emerging anopheles gambiae s.l. adults are likely to invade the nearest houses to obtain a blood meal. using data from previous studies, the frequency in breeding was compared with adult density graphically and by scatter diagrams. graphically, frequency in breeding was associated with adult density in eight districts while on the geometric scatter plot, these parameters were associated in ten d ... | 1990 | 2390955 |
| effects of ecological changes on the malaria vectors anopheles funestus and the anopheles gambiae complex of mosquitoes in accra, ghana. | studies have been conducted on mosquito breeding, indoor resting density and some parasitological and vectorial indices in accra since 1911. an. gambiae s.l. has adapted to breeding appreciably in water-filled domestic containers in recent times (viz. 21.14 +/- 4.4% of all breeding), compared with a low frequency of breeding in such domestic containers in the earlier years 1911-1930 (viz. 1.97 +/- 1.67% of all breeding). its breeding has also increased (viz. 5.3% to 25.4% of all breeding) in the ... | 1984 | 6748132 |
| impact of rapid urbanization on mosquitoes and their disease transmission potential in accra and tema, ghana. | the total of 75 mosquito species recorded in accra have declined to 28 species. contributing factors to this decline and the reduction in prevalence of malaria and bancroftian filariasis in accra presently include extensive water pollution and a fairly high daily mosquito mortality due to several factors including loss of natural adult resting places, use of mosquito repellents and the probable increase of anopheles arabiensis population. presently low yellow fever incidence is due inter alia to ... | 1995 | 8669399 |
| lymphatic filariasis on the coast of ghana. | parasitological, clinical and entomological surveys for lymphatic filariasis were carried out in 6 villages and 3 towns on the coast of ghana. few or no filarial infections were observed in the towns or in the villages east of accra. however, wuchereria bancrofti microfilaraemia was common in the 4 western villages, with overall prevalences of 9.2%-25.4% and overall microfilariae (mf) geometric mean intensities of 321-1172 mf/ml of blood. in the same villages, hydrocele affected 8.5%-27.9% of ad ... | 1996 | 9015499 |
| impact of urban agriculture on malaria vectors in accra, ghana. | to investigate the impact of urban agriculture on malaria transmission risk in urban accra larval and adult stage mosquito surveys, were performed. local transmission was implicated as anopheles spp. were found breeding and infected anopheles mosquitoes were found resting in houses in the study sites. the predominant anopheles species was anopheles gambiae s.s.. the relative proportion of molecular forms within a subset of specimens was 86% s-form and 14% m-form. anopheles spp. and culex quinque ... | 2008 | 18680565 |