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Geographical clustering of human T-cell lymphotropic virus type 1 infection in Honduras.

Geographical clustering of human T-cell lymphotropic virus type 1 (HTLV-1) infection has been identified in the nonmestizo communities in several cities along the Atlantic coast of Honduras. Of the 2,651 serum samples tested, 122 samples were repeatedly reactive for HTLV-1 antibodies in two different enzyme immunoassays and 3 were indeterminate. These sera did not react in the HTLV-2-specific antibody tests. The presence of HTLV-1 antibodies was confirmed by HTLV-1 immunoblots or Western blots (immunoblots), and the infection was verified by the detection of HTLV-1-specific genetic sequences in the cellular DNA by PCR. Genomic DNA from the peripheral blood mononuclear cells was first tested with generic primers and probes that identified both HTLV-1 and HTLV-2. Next, all DNA samples that showed HTLV reactivity were tested by PCR with specific primers and probes that distinguished HTLV-1 sequences from those of HTLV-2. Our results indicate that only HTLV-1 infection was present in the blood of both mestizo and nonmestizo residents of 15 cities in the Republic of Honduras. The overall prevalence of HTLV-1 infection in the nonmestizo population was 8.1% (95% confidence limit, 6.6 to 9.7%). The mestizo population residing in the same geographical vicinities showed a HTLV-1 antibodies in 0.5% of serum samples tested (95% confidence limit, 0.6 to 1.7%), indicating a significantly greater prevalence of HTLV-1 infection in the nonmestizo population than in the mestizo ethnic groups living in Honduras (P = 0.0001). Since no HTLV-2 antibody reactivity or HTLV-2-specific genetic sequences were detected by PCR with different primers and probes, it was concluded that HTLV-2 infection was not present in the Honduran population groups we tested. Our study also suggested an endemic nature for this virus because there was no difference in the prevalence rate of HTLV-1 antibodies in the nonmestizo community living in the coastal towns of Honduras between 1989 and 1993. This is the first report of HTLV-1 cluster identification in Honduras, Central America.

Adolescent↗

Honduras: Caribbean Coast.

The coast of Honduras, Central America, represents the southern end of the Mesoamerican Barrier Reef System, although its marine resources are less extensive and studied than nearby Belize and Mexico. However, the coastal zone contains mainland reef formations, mangroves, wetlands, seagrass beds and extensive fringing reefs around its offshore islands, and has a key role in the economy of the country. Like most tropical areas, this complex of benthic habitats experiences limited annual variation in climatic and oceanographic conditions but seasonal and occasional conditions, particularly coral bleaching and hurricanes, are important influences. The effects of stochastic factors on the country's coral reefs were clearly demonstrated during 1998 when Honduras experienced a major hurricane and bleaching event. Any natural or anthropogenic impacts on reef health will inevitably affect other countries in Latin America, and vice versa, since the marine resources are linked via currents and the functioning of the system transcends political boundaries. Much further work on, for example, movement of larvae and transfer of pollutants is required to delineate the full extent of these links. Anthropogenic impacts, largely driven by the increasing population and proportion of people living in coastal areas, are numerous and include key factors such as agricultural run-off, over-fishing, urban and industrial pollution (particularly sewage) and infrastructure development. Many of these threats act synergistically and, for example, poor watershed management via shifting cultivation, increases sedimentation and pesticide run-off onto coral reefs, which increases stress to corals already affected by decreasing water quality and coral bleaching. Threats from agriculture and fishing are particularly significant because of the size of both industries. The desire to generate urgently required revenue within Honduras has also led to increased tourism which provides an overarching stress to marine resources since most tourists spend time in the coastal zone. Hence the last decade has seen a dramatic increase in coastal development, a greater requirement for sewage treatment and more demand for freshwater, particularly in the Bay Islands. Although coastal zone management is relatively recent in Honduras, it is gaining momentum from both large-scale initiatives, such as the Ministry of Tourism's 'Bay Islands Environmental Management Project', and national and international NGO projects. For example, a series of marine protected areas and legislative regulations have been established, but management capacity, enforcement and monitoring are limited by funding, expertise and training. Existing and future initiatives, supported by increased political will and environmental awareness of stakeholders, are vital for the long-term economic development of the country.

Animals↗

Country response to HIV/AIDS: national health accounts on HIV/AIDS in Brazil, Guatemala, Honduras, Mexico and Uruguay.

National expenditures on HIV/AIDS were estimated as summary indicators to assess the country's response to HIV/AIDS. The methodology is based on a matrix system describing the level and flow of health expenditures on HIV/AIDS: an adaptation of the National Health Accounts methods. The expenditures were classified by source (public, private, international), by the use of funds (prevention, care), by object, and by type of provider institution. The results are reported in US dollars using the official exchange rate for the year of estimation. For international comparisons monetary units were adjusted by the purchasing power parity (US dollars PPP). National HIV/AIDS total expenditures were: Guatemala US dollars PPP29.5 million, Uruguay US dollars PPP 32.5 million, Mexico US dollars PPP 257 million, and Brazil US dollars PPP 587.4 million during 1998, and Honduras US dollars PPP 33.9 million for 1999. The total HIV/AIDS expenditures per capita for 1998 were: Brazil US dollars 2.69, Mexico US dollars 1.25, Guatemala US dollars 1.08, Uruguay US dollars 6.63, and Honduras US dollars 3.6 for 1999. The 1998 distribution of the total HIV/AIDS expenditures in prevention and care were, respectively, Brazil 10 and 80%, Guatemala 15 and 70%, Mexico 29 and 66%, Uruguay 36 and 51%, and Honduras 28 and 65% for 1999. The share of total expenditures on antiretroviral drugs ranged from 52% in Guatemala to 75% in Brazil, even when the estimated coverage of antiretroviral therapy was close to 10% in Guatemala and universal in Brazil. The estimated flow from international sources per capita in 1998 was Uruguay US dollars 0.03, Brazil US dollars 0.24, Guatemala US dollars 0.11, Mexico US dollars 0.01, and Honduras US dollars 1.04 in 1999. The data allow international comparisons and provide critical information to improve equity and efficiency in the allocation of scarce resources. The National HIV/AIDS Accounts also constitute a powerful tool to describe the country's response to HIV/AIDS.

Acquired Immunodeficiency Syndrome↗

Financing health care at the local level: the community drug funds of Honduras.

In response to UNICEF's Bamako Initiative, hundreds of privately run Community Drug Funds were established in Honduras during the 1990s, generally under the auspices of a non-government organization and usually with the financial assistance of international agencies. Honduras' Community Drug Funds (CDF) are rotating drug funds intended to: (1) serve as a means of increasing access to care in isolated rural populations, (2) promote the more rational use of medicines and (3) promote community participation in the financing and oversight of primary health care activities. This study is the first to analyse empirically the impact and efficiency of these institutions, relying upon primary data obtained from a survey of 51 of the 450 active CDFs in Honduras. Archival data from Ministry of Health and other sources were also analysed. The structure, operations, and impact of CDFs are detailed, with special attention given to access and quality of care issues. The study found that CDFs are rapidly becoming under-capitalized because of basic management problems, principally in pricing and in medicine purchasing practices. These shortcomings, and more generally, increasing financial pressures on NGO sponsors, are negatively affecting quality and access to care. Given the rate of erosion in CDF assets, unless they are recapitalized, the current average estimated lifespan of a CDF is 5.5 years. If these funds are to be sustainable, changes in their financing, training and supervision will be required. In addressing these issues, Honduran health policy-makers must decide how best to balance the competing goals of holding down costs, while maintaining adequate quality and improving access to care.

Community Participation↗

Leishmania chagasi: genotypically similar parasites from Honduras cause both visceral and cutaneous leishmaniasis in humans.

In the Mediterranean region Leishmania infantum causes both visceral and cutaneous leishmaniasis. These two pathologies tend to be caused by distinct parasite zymodemes. We have studied 33 isolates of Leishmania, 2 from sandflies, 5 from visceral cases, and 26 from cutaneous cases in Honduras, to determine if there is a correlation between pathology and parasite type in the New World similar to that in the Mediterranean region. Nine of the 26 cutaneous cases were caused by L. mexicana parasites, which have not been previously reported from Honduras; the remaining 17 cutaneous cases were due to L. chagasi. Only minor differences were found between the Honduran L. chagasi parasites by random amplified polymorphic DNA, differential display, pulsed-field gel electrophoresis, and schizodemes. This suggests that in Honduras the parasite type may not be the only factor determining the clinical outcome of L. chagasi infections.

Adolescent↗

Seroprevalence of Taenia solium cysticercosis in pigs in a rural community of Honduras.

Several retrospective studies have shown that human Taenia solium cysticercosis is endemic in Honduras, but very few reports of porcine cysticercosis in rural communities have been published. To determine the local prevalence of this disease in pigs, a serological survey has been undertaken in a rural community, Salamá, in the Department of Olancho in central Honduras. Eighty-five families raising pigs in the community were randomly selected and sera were obtained from pigs older than one month of age. The sera were examined by the enzyme-linked immunoelectrotransfer blot assay (EITB). Of 192 porcine sera, 27.1% (52) were positive by the EITB. Seropositivity did not correlate with age and sex by statistical analysis. With respect to the number and the frequency of recognition of the seven diagnostic glycoprotein bands in the EITB, 67.3% of the positive serum specimens recognized only one band and 80.8% of them recognized GP42-39. Since recognition of GP42-39 has been reported as a characteristic of late infection, these results suggest that most of the seropositive pigs were in the late stage of infection (more than 5-8 weeks postinfection). It seems that pigs in this community may be infected with this parasite soon after the birth and be in a hyperendemic steady state. In view of a high prevalence of antibodies to T. solium in pigs or characteristics of the antigen detected by the EITB, the infection pressure of T. solium appears to be very high in this community. This is probably the case in most of the communities in Honduras.

Animals↗

Injury control in Honduras: a survey of injury mortality.

STUDY OBJECTIVE: We sought to evaluate the methods and accuracy of mortality data collection and summarize the injury mortality rate in one sector of the State of Olancho, Honduras, with the intent to establish a baseline of injury mortality that will identify potential areas of intervention and serve as a comparison after subsequent interventions. METHODS: Mortality data were collected from a rural, regional, health center database containing age, sex, and cause of death for one geographic sector in the State of Olancho, Honduras. Causes of death were classified as medical or intentional versus nonintentional injury. RESULTS: Accurate mortality data were difficult to obtain for several reasons: (1) deaths are often recorded by untrained health care workers, (2) causes of death are not coded in a standard manner, and (3) infant mortality is underreported. We found 132 recorded noninfant deaths. A disproportionate number of these resulted from injury, especially from intentional injury, particularly among male subjects aged 12 to 49 years. Eighty-two percent of male subjects aged 12 to 49 years who died did so from injuries, and 52% died from intentional injuries. Overall, 48% of all male deaths were injury related. The estimated male mortality rate (age 12 to 49 years) from injuries was 4.5 times that of the United States. CONCLUSION: Injury, particularly intentional injury, is an important cause of mortality in rural Honduras, particularly among male subjects aged 12 to 49 years. This suggests a fertile opportunity for intervention. More reliable data collection will be necessary to accurately target which specific causes of injury death are most amenable to interventions and to monitor the effect of injury control programs.

Adolescent↗

Ministry of Health user fees, equity and decentralization: lessons from Honduras.

Decentralization is commonly championed as a means for achieving equity. To date, however, there has been little discussion of the mechanisms underlying this relationship, and several of the few empirical investigations that have addressed the topic have found the converse; that decentralization has exacerbated inequalities. This article examines the performance and equity in financing of the Honduras Ministry of Health's (MOH) decentralized user fee system. The MOH of Honduras established a national user fee policy in 1989. It provided a framework of rules and regulations and decentralized administration of the system to the regional offices. A survey conducted under the auspices of this study provided detailed information about the structures and operations of MOH user fee systems. The survey revealed that the systems vary markedly by region, creating horizontal inequities, and that they have numerous other shortcomings. The average price of a consultation is low, US dollars 0.16, and revenues have consistently equalled just 2% of MOH expenditures. The systems' administrative costs are equal to 67% of their revenues. Eliminating the user fee systems in all but the national and regional hospitals would actually save money and/or enable the MOH to provide more care. Average consultation prices are highest in health posts, intermediate in centres and lowest in the national hospitals, thereby encouraging the inappropriate use of the MOH's pyramidal referral system and fostering MOH inefficiency. Fee levels and exemption practices are horizontally and vertically inequitable. The likelihood of paying for an ambulatory visit is highest at a health post, 89%, and lowest at a hospital, 49%. Individuals from the poorest one-fifth of households are the most likely to have to pay for care. Honduras' experience demonstrates that a decentralized user fee system is not necessarily equitable, and that, more generally, the gains that can be realized from decentralizing user fee systems are not automatic. They must be anticipated, planned for and cultivated by a well-designed and well-implemented initiative that is not a single, one-time event, but rather a dynamic, on-going enterprise.

Ambulatory Care Facilities↗

Mortality trends among refugees in Honduras, 1984-1987.

Mortality data collected from 1984 to 1987 through a routine standardized health information system in the five main refugee populations of Honduras were reviewed. The direct standardized mean annual death rate for all refugees was 5.5 per 1000 population (Honduras population as reference; Honduras mortality rate: 10.1 per 1000). Mortality decreased or remained stable among Salvadoran refugees from 1984 to 1987, but increased among Nicaraguan refugees after 1985. The highest neonatal (56.1 per 1000 livebirths), infant (126.1 per 1000 livebirths) and under-five-year-olds (35.7 per 1000 child less than five years of age) mortality rates were observed in the two Nicaraguan camps. These two camps had the highest rate of newly arriving refugees. Deaths in infants and under-five-year-olds accounted for 42 and 54.1% of all deaths respectively. Of all deaths under five years of age, respiratory infections, diarrhoeal diseases and measles accounted for 21.4%, 22.1% and 4.7%, respectively. Mortality rates, particularly among under-five-year-olds and infants increased when the rate of newly arriving refugees was higher. The importance of adapted health surveillance in refugee settlements is discussed.

Adolescent↗

Geographic targeting of nutrition programs can substantially affect the severity of stunting in Honduras.

The effect of nutrition intervention programs in developing countries is likely to vary with the degree to which the program can be successfully targeted at the most vulnerable. In Honduras, the existence of a recent census of the height of first-grade children makes it possible to assess a priori the effect of different targeting strategies, holding constant other features of a hypothetical program. We simulate a nutrition intervention with 20% national coverage and uniform gains of 0.5 Z-scores for all beneficiaries, with a number of different approaches to targeting. The VIIth National Census of First-Graders' Heights provides the baseline scenario and permits identification of priority departments, municipalities, schools and individuals, for a total of six alternative targeting mechanisms. Effect is assessed on the basis of changes in the prevalence of stunting (less than -2 Z-scores) and in two different measures of the severity of stunting adapted from the economics literature (the malnutrition gap and the quadratic malnutrition gap). We find that the simulated program has the potential to substantially improve the severity, but not the prevalence of stunting in Honduras. Household targeting with an imperfect indicator of vulnerability could reduce the malnutrition gap by >20% and the quadratic malnutrition gap by >30%, but would be very expensive to implement. "Broad stroke" geographic targeting could reduce the same measures by 15 and 20%, respectively, and would be much less expensive to implement. We conclude that geographic targeting has the potential to substantially enhance the effect of nutrition programs on the severity of stunting in Honduras.

Body Height↗

Field evaluation of rapid HIV serologic tests for screening and confirming HIV-1 infection in Honduras.

OBJECTIVE: To determine the ability of simple, rapid tests to identify HIV-1 antibody-positive specimens in field settings using the World Health Organization's (WHO) alternative testing strategies. DESIGN: Three-phase evaluation of simple, rapid assays using banked specimens and prospectively collected serum specimens at regional hospitals and rural clinics. METHODS: Seven test (Retrocell, Genie, HIVCHEK, SUDS HIV-1, Testpack, Serodia HIV-1, and HIV-1/2 RTD) were evaluated and results compared with standard enzyme immunoassay (EIA) and Western blot results (phase 1). Further evaluation consisted of prospective testing of routine specimens at regional (phase 2; n = 900) and rural, peripheral laboratories (phase 3; n = 1266) throughout Honduras with selected assays. RESULTS: Sensitivity and specificity were calculated for each assay and combination of assays for each phase to evaluate the effectiveness of the WHO alternative testing strategies. All tests in all phases were > 99% sensitive after correcting for technical errors, with two exceptions (SUDS, phase 1; HIVCHEK, phase 3). In phase 3, where the testing algorithm was diagnostic, several combinations of assays were 100% sensitive and specific using WHO strategy II or III. For the Honduras Ministry of Health, the combination of Retrocell and Genie was found to be equally sensitive, more specific (no indeterminate results), and less expensive than EIA/Western blot. CONCLUSION: Combinations of rapid, simple HIV antibody assays provide sensitivity and specificity performance comparable to EIA/Western blot. Application of these combinations in the WHO alternative testing strategies provides an inexpensive and effective method of determining HIV status. Assay combinations using these strategies can be easily performed in small, rural laboratories and have been implemented in routine HIV screening in Honduras.

AIDS Serodiagnosis↗

School dental health in Honduras.

Project HOPE has been working with the Honduran government since 1983 to establish educational programs for health workers and improve the country's health care services. The Ministry of Health in Honduras, under the direction of the president, is planning a new emphasis on preventive dentistry. The feasibility of community water fluoridation is being examined, and dental health programs have been implemented in pilot schools around the country. The Ministry of Health plans to expand these pilot programs to include all elementary schools in Honduras. This article describes the dental health services in Honduras and the government's effort to establish a nationwide school dental health program with emphasis on preventive dentistry.

Central America↗

Increased prevalence of Plasmodium falciparum malaria in Honduras, Central America.

We report on our investigation of a malaria outbreak in Honduras, Central America, in January 1997. We tested 202 patients with fever and chills using thin and thick blood film microscopy. Sixteen patients lived in the city and the rest lived in rural areas. A total of 95 samples (47%) were positive for malaria parasites. Seventy-nine percent (63/80) of the rural patients were infected with Plasmodium vivax and 21% (17/80) were infected with P. falciparum. In the urban area, all 15 infected patients had P. vivax malaria and none showed evidence of P. falciparum. Since previous reports indicate that falciparum malaria accounts for only 2% of the overall malaria infections in Honduras, the results reported here suggest that there is a dramatic increase in falciparum malaria in the area of Honduras investigated in this study.

Disease Outbreaks↗

U.S. experts warn of Honduras AIDS risk to women. International.

Honduras, the Central American country hardest hit by AIDS, may suffer from a particularly aggressive strain of HIV that is especially dangerous to women, US experts said. "We are investigating the presence in Honduras of (HIV) sub-type B, which is more aggressive than others and could be the reason why it is worse in this country," Winslow Klaslala, professor at the University of Miami, Florida, said. According to the Health Ministry, 7664 Hondurans have been infected with HIV since 1985, and 995 have died. That is 60% of the total number of HIV sufferers in the six countries of Central America and the incidence in women is unusually high at 36%. A team of experts, including members from Harvard University and the WHO, have been taking blood samples, primarily from HIV infected women, Klaslala said. They will analyze the blood to look for sub-type B, described by Klaslala as highly "aggressive and adaptable." "If it is present," he said, "women are particularly at risk." Honduran health authorities were paying close attention to the investigations. "If they show that the sub-type that attacks in Honduras is more aggressive, we will have to redesign our campaign for combatting the disease," said Enrique Zelaya, a top Health Ministry official.

Americas↗