| plague surveillance in brazil: 1983-1992. | plague caused by yersinia pestis, has persisted in brazil in several natural foci spread throughout rural areas in the states of ceara, paraiba, pernambuco, piaui, rio grande do norte, alagoas, bahia, minas gerais and rio de janeiro. nationwide surveillance of plague in brazil based on serological testing started in 1983. we now present an update report of the examinations carried out in our laboratory from 1983 to 1992. the passive hemagglutination test for antibodies against fraction 1a antige ... | 1995 | 8731264 |
| [prevalence of canine filariasis by dirofilaria immitis and dipetalonema reconditum in maceió, alagoas state, brazil]. | a survey on the prevalence of dirofilaria immitis and dipetalonema reconditum was conducted in 1,519 dogs from maceió and two coastal areas in the state of alagoas, northeast brazil, from 1995 to 1999, by testing for microfilariae in blood. all blood samples were from exclusively domiciled dogs with a known history, showing that the infections were autochthonous, confirming transmission of canine filariasis in these areas. in greater metropolitan maceió, 15 (1.3%) microfilaremic dogs were detect ... | 2001 | 11784911 |
| sociodemographic and environmental risk factors for american cutaneous leishmaniasis (acl) in the state of alagoas, brazil. | the multiplicity of factors involved in the transmission of the american cutaneous leishmaniasis (acl) constitutes a challenge to its control. thus, knowledge of such factors may contribute extremely toward redefining the control strategies. the aim of this study was to identify sociodemographic and environmental factors relating to acl transmission in the state of alagoas, brazil. a case-control study with incident cases was conducted. diagnostic criteria were the presence of compatible skin le ... | 2009 | 19635869 |