| [malaria induced in the state of sao paulo, brazil]. | a review is presented of 58 induced malaria cases diagnosed in the são paulo state, from january 1983 to july 1990. these cases represent 0.3% of the malaria notifications. the parameters sex, age, parasitaemia, clinical symptoms, clinical course and mean time interval between disease onset and diagnosis were studied in 25 blood-transmitted cases and 28 related to sharing needles. plasmodium vivax was diagnosed in 79.4% and in 5.6% plasmodium vivax and plasmodium falciparum were seen. lower mean ... | 1991 | 1842842 |
| [frequency of malaria relapse due to plasmodium vivax in a non-endemic region (são paulo, brazil)]. | very few well-established information is available about the frequency and timeliness of relapses in cases of plasmodium vivax malaria acquired in brazil. so, we analysed a series of correctly treated patients observed out of endemic areas. the rate of relapses seen in são paulo, which may represent that of the parasitosis in the whole country, was high, ranging from 7.5% to 24.5%, and early in most cases, i.e. appearing by three months, what anticipates a high endemicity. | 1991 | 1844384 |
| [epidemiologic information on malaria in the state of são paulo, brazil]. | | 1987 | 3333874 |
| anaemia, iron deficiency and malaria in a rural community in brazilian amazon. | to assess the incidence of anaemia, iron deficiency and malaria in a malaria-endemic community. | 1994 | 8055848 |
| [malaria in the region of campinas, são paulo, brazil, 1980 to 1994]. | according to epidemiological data, from 1980 to 1994, 2,781 cases of malaria were registered as follows: dir xii-campinas (49.3%), dir xv-piracicaba (41.3%) and dir xx-são joão da boa vista (9.4%). the plasmodium vivax was found in 70.6% of the patients; plasmodium falciparum in 25.4% and 4% of the patients presented a mixed infection. the epidemiological classification showed that 95% of the cases came from the states of rondônia, mato grosso and par. the masculine sex, between the age of 20 to ... | 2000 | 10881119 |
| malaria epidemiology in low-endemicity areas of the atlantic forest in the vale do ribeira, são paulo, brazil. | we describe a seroepidemiological survey of malaria prevalence in two areas of low endemicity: intervales state park and alto ribeira state tourist park (petar). both are located in the vale do ribeira in the state of são paulo, brazil. in this study, 318 subjects from both areas had their blood analyzed for the presence of malaria parasites by thin and thick blood smears. one hundred and sixty-three (51.2%) of the subjects were from intervales state park and 155 (48.7%) were from petar. we anal ... | 2006 | 17126279 |
| natural plasmodium infections in brazilian wild monkeys: reservoirs for human infections? | four hundred and forty-eight samples of total blood from wild monkeys living in areas where human autochthonous malaria cases have been reported were screened for the presence of plasmodium using microscopy and pcr analysis. samples came from the following distinct ecological areas of brazil: atlantic forest (n=140), semideciduous atlantic forest (n=257) and cerrado (a savannah-like habitat) (n=51). thick and thin blood smears of each specimen were examined and plasmodium infection was screened ... | 2008 | 18620330 |
| [epidemiological aspects of autochthonous malaria in the atlantic forest area of the northern coast of the state of são paulo, 1985-2006]. | this study had the aim of analyzing the spatial and temporal distribution of autochthonous malaria cases according to parasite density, symptoms and activity at the time of infection. a retrospective descriptive study was undertaken in the municipalities of ubatuba, caraguatatuba, são sebastião and ilhabela, covering 1985 to 2006. the data were obtained from the epidemiological investigation files of the superintendency of endemic disease control and the information system for health threat noti ... | 2008 | 18853012 |
| epidemiological and ecological aspects related to malaria in the area of influence of the lake at porto primavera dam, in western são paulo state, brazil. | a study was carried out in the area of influence of the porto primavera hydroelectric power station, in western são paulo state, to investigate ecological and epidemiological aspects of malaria in the area and monitor the profile of the anopheline populations following the environmental changes brought about by the construction of the lake. mosquitoes captured were analyzed by standardized indicator species analysis (isa) before and during different flooding phases (253 m and 257 m elevations). ... | 2008 | 18949348 |
| [autochthonous malaria notified in the state of são paulo: clinical and epidemiological characteristics from 1980 to 2007]. | autochthonous malaria in the state of são paulo is characterized by sporadic outbreaks in the western region and by persistent transmission in the eastern region, where oligosymptomatic cases with low parasitemia due to plasmodium vivax occur. the objectives of this study were to assess the completeness of autochthonous malaria notification forms; to estimate the incidence trends of autochthonous cases in the state of são paulo from 1980 to 2007; and to analyze the clinical and epidemiological p ... | 2010 | 20305969 |
| habitat suitability of anopheles vector species and association with human malaria in the atlantic forest in south-eastern brazil. | every year, autochthonous cases of plasmodium vivax malaria occur in low-endemicity areas of vale do ribeira in the south-eastern part of the atlantic forest, state of são paulo, where anopheles cruzii and anopheles bellator are considered the primary vectors. however, other species in the subgenus nyssorhynchus of anopheles (e.g., anopheles marajoara) are abundant and may participate in the dynamics of malarial transmission in that region. the objectives of the present study were to assess the ... | 2011 | 21881779 |
| [infection of anopheles (kerteszia) cruzii by plasmodium vivax and plasmodium vivax variant vk247 in the municipalities of são vicente and juquitiba, são paulo]. | sporadic cases of autochthonous malaria have been recorded in são paulo state, located in the southeast region of brazil. these cases are characterized by their benign course, low parasitemia, and mild symptomatology and have been identified as vivax malaria. little is known about the symptoms and immune response elicited in humans by the variants plasmodium vivax vk247 and p. vivax-like human malaria parasites. these variants are transmitted by anopheles (kerteszia) cruzii, one of the most comm ... | 1997 | 9445765 |
| [epidemiological aspects of malaria in the state of são paulo, brazil, 1983 to 1992]. | epidemiological aspects of malaria in the state of s. paulo, brazil, based on the cases motified between 1983 and 1992 are presented. in the period 20,200 cases, of which 65.7% presented plasmodium vivax (p.v.) and 27.3% p. falciparum (p.f.), were confirmed. no differences as between the years was observed. no differences in the distribution by sex (85.4% male) or age (63.6% whit ages between 20 and 39 years) were noted. the epidemiological investigations demonstrated that in 2.0% the transmissi ... | 1994 | 7747077 |
| [malaria in the state of são paulo, brazil 1980 to 1983]. | | 1985 | 3909366 |
| fever of unknown origin and the role of plasmodium vivax in sao paulo. | malaria is a disease that hits the northern part of brazil in an endemic form. recorded cases outside this region are unusual and, in most cases, limited to travellers. the southeast of brazil has an extensive wilderness area with a type of vegetation similar to the one found in the equatorial rainforest. we present the case of a patient living in the southeast, with no reported travel history, who evolved to periodic fever, associated with myalgia and chills. with the positive test result for p ... | 2013 | 23833104 |
| detection of etiological agents of malaria in howler monkeys from atlantic forests, rescued in regions of são paulo city, brazil. | in some states of the brazilian extra-amazonian region, such as the atlantic forest area, autochthonous human cases of malaria were related to simian malarias and vice versa. | 2011 | 21933192 |