| serological screening and toxoplasmosis exposure factors among pregnant women in the democratic republic of sao tome and principe. | the seroprevalence of toxoplasma gondii infection among pregnant women in the democratic republic of sao tome and principe (drstp) from november 2003 to march 2004 was determined by detection of serum anti-t. gondii antibodies. a short questionnaire interview for pregnant women was performed to investigate risk factors associated with t. gondii infection, including consumption of raw meat or unwashed vegetables, drinking unboiled water and keeping pets (cats and dogs). the overall seroprevalence ... | 2007 | 17113117 |
| dogs as a favored host choice of anopheles gambiae sensu stricto (diptera: culicidae) of são tomé west africa. | the host source and human blood index (hbi) of an exophilic population of the "forest" cytoform of anopheles gambiae giles sensu stricto, from a peri-urban area of the island of são tomé were assessed. blood meals of 434 an. gambiae females from all-night indoor light-trap collections, 193 from indoor and 422 from outdoor resting collections, were determined by elisa. significant differences were found in the hbi estimates from insects collected indoors (0.93) and outdoors (0.27). blood-fed inse ... | 2001 | 11268684 |