Background: The damage inflicted by the coronavirus diseases 2019 (COVID-19) pandemic upon humanity is and will continue to be considerable. Unprecedented progress made in global health over the past 20Â years has reverted and economic growth has already evaporated, giving rise to a global recession, the likes of which we may not have experienced since the Second World War. Our aim is to draw the attention of the neglected tropical disease (NTD) community towards some of the major emerging economic opportunities which are quickly appearing on the horizon as a result of COVID-19.
View Article and Find Full Text PDFIn South and Central America, lymphatic filariasis (LF) is caused by Wuchereria bancrofti, which is transmitted by Culex quinquefasciatus, the only vector species in this region. Of the seven countries considered endemic for LF in the Americas in the last decade, Costa Rica, Suriname and Trinidad and Tobago were removed from the World Health Organization list in 2011. The remaining countries, Brazil, Dominican Republic, Guyana and Haiti, have achieved important progress in recent years.
View Article and Find Full Text PDFEmerging and re-emerging zoonotic diseases represent a public health challenge of international concern. They include a large group of neglected tropical diseases (NTDs), many of which are of zoonotic nature. Coronavirus disease 2019 (COVID-19), another emerging zoonotic disease, has just increased the stakes exponentially.
View Article and Find Full Text PDFIntroduction: A cross-sectional study was carried out to assess the prevalence of E. histolytica and E. dispar by examining stool samples obtained from 1,003 students of public schools in Maceió, Alagoas, Brazil.
View Article and Find Full Text PDFBackground. Intestinal parasitic infections constitute a major public health problem that is frequently associated with poverty, inadequate sanitation, and the nutritional status of the population. Objective.
View Article and Find Full Text PDFRev Soc Bras Med Trop
October 2013
Introduction: The aim of this work was to identify possible lymphatic filariasis foci in the western Brazilian Amazonian that could be established from the reports of Rachou in the 1950s. The study was conducted in three cities of the western Brazilian Amazon region - Porto Velho and Guajará-Mirim (State of Rondônia) and Humaitá (State of Amazonas).
Methods: For human infection evaluation thick blood smear stained with Giemsa was used to analyze samples collected from 10pm to 1am.
Rev Inst Med Trop Sao Paulo
October 2013
Introduction: Entamoeba histolytica infections were investigated in residents of the Ariquemes and Monte Negro municipalities in Rondônia State, Brazil.
Methods: Stool samples of 216 individuals were processed by the spontaneous sedimentation method and analyzed by microscopy for detection of the E. histolytica/E.
To test the validity of the polymerase chain reaction for diagnosing American visceral leishmaniasis, 88 suspected cases were studied. Diagnosis was confirmed in 47 (53.5%) and ruled out in 41 (46.
View Article and Find Full Text PDFSince the World Health Assembly's (Resolution WHA 50.29, 1997) call for the elimination of lymphatic filariasis by the year 2020, most of the endemic countries identified have established programmes to meet this objective. In 1997, a National Lymphatic Filariasis Elimination Plan was drawn up by the Ministry of Health of Brazil, creating local programs for the elimination of Bancroftian filariasis in areas with active transmission.
View Article and Find Full Text PDFMalaria remains a major world health problem following the emergence and spread of Plasmodium falciparum that is resistant to the majority of antimalarial drugs. This problem has since been aggravated by a decreased sensitivity of Plasmodium vivax to chloroquine. This review discusses strategies for evaluating the antimalarial activity of new compounds in vitro and in animal models ranging from conventional tests to the latest high-throughput screening technologies.
View Article and Find Full Text PDFObjective: To assess the food intake of energy, macronutrients and micronutrients related to growth and development in individuals under 16 years of age living in a consolidated invasion settlement in Maceió, Alagoas.
Methods: The assessment of food intake was carried out by the 24-hour recall method, using a food picture album. Nutritional composition of diets was analysed using the Virtual Nutri-1.
The family and neighbors of a patient infected with W. bancrofti microfilariae were assessed aiming to evaluate the occurrence of cases of lymphatic filariasis in a non-endemic area in the city of Maceió, in the Brazilian state of Alagoas. The patient had previously lived in an endemic focus; however, he has been living in an area where the parasite has never been detected for the past ten years.
View Article and Find Full Text PDFBackground: Due to the indiscriminate use of antimicrobial drugs, the emergence of human pathogenic microorganisms resistant to major classes of antibiotics has been increased and has caused many clinical problems in the treatment of infectious diseases. Thus, the aim of this study was to evaluate for the first time the in vitro antimicrobial activity and brine shrimp lethality of extracts and isolated compounds from Zeyheria tuberculosa (Vell.) Bur.
View Article and Find Full Text PDFThe objective was to characterize the epidemiological situation of lymphatic filariasis in Belém, state of Pará. Hemoscopic data was analyzed from 1951 through 2003. Information for the period from 1951 to 1994 was collected from reports available from the National Health Foundation.
View Article and Find Full Text PDFIn order to investigate epidemiological and clinical characteristics of visceral leishmaniasis in children up to 15 years old, a prospective study was carried out in Alagoas, Brasil from 1981 to 1995. Of the 530 diagnosed cases, predominantly from the rural area of Alagoas State, 58% were male and 42% female, being 55.3% children under 5 years old.
View Article and Find Full Text PDFFrom a total of 1,020 students examined, 983 (92%) showed positive results for at least one species of parasite. Six months after treatment, a sample of 383 students (37.5%) was reevaluated and 347 (90.
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