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Query: UMLS:C0024530 (malaria)
 44,886 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

From 1980 to 1985, 14,465 refugees arrived in Israel from Ethiopia. Typhoid fever, tuberculosis, or malaria was present in 1.8% to 9% of immigrants; as many as 93% were infested with intestinal parasites. Extreme malnutrition was common, and serologic evidence of syphilis and hepatitis B was frequently encountered. A program for diagnosis, therapy, and immunoprophylaxis following the massive influx of African refugees is described.
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PMID:Infectious disease among Ethiopian immigrants in Israel. 291 1

Melioidosis is a long-known disease since 1912, but only quite recently we have obtained the knowledges about its actual clinical and epidemiological features. The disease is so unique in having a wide spectrum of disease course and clinical manifestation. The causative agent, P. pseudomallei, is free-living bacterium in the natural environments (soil and surface water) of tropical and subtropical areas. Just like legionnaires' disease, melioidosis is a good example of infectious disease in which pneumonia is produced by inhalation of contaminated soil dusts or water droplets. The infection becomes dormant for years, but with a chance of recrudescence under a variety of insults to the host resistance. The disease, may it be acute or chronic, will be symptomatically confused with malaria, typhoid fever, leptospirosis, septicemia caused by other gram-negative bacteria, tuberculosis and mycotic infections. Isolation of the causative agent from clinical specimens is the only reliable method for diagnosis. Because of the increasing clinical awareness and the development of diagnostic methods, the reported cases of melioidosis have numbered almost one thousand in Thailand during the past 20 years. This country has now the most ample clinical experiences on melioidosis. We have reviewed the history of melioidosis research from bacteriological, immunological, clinical and epidemiological viewpoints, especially including the recent reports in Thailand.
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PMID:Pseudomonas pseudomallei and melioidosis, with special reference to the status in Thailand. 307 4

Thirty six patients with culture-proven enteric fever and 15 patients of fever with etiology other than enteric fever as a control group were studied, with special reference to hepatic dysfunction and its relation to clinical features of the disease. Hepatomegaly was observed in 55% of enteric fever patients, and was slightly more common than splenomegaly (50%). Its incidence in typhoid fever (67%) was three times higher than in paratyphoid fever (22%). Hepatic dysfunction occurred in 55% of cases. Jaundice was noted in only 8% of the cases, whereas hyperbilirubinemia (serum bilirubin greater than 1.8 mg %) was present in 17%. Although hepatic manifestations of enteric fever were mild, a small but important group had sufficient hepatic involvement to mimick the clinical picture seen in viral hepatitis, amebic liver disease, and malaria with jaundice. It may be considered of clinical significance, since enteric hepatitis responds very well to specific therapy.
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PMID:The spectrum of hepatic injury in enteric fever. 312 48

Travel to the developing world by U.S. citizens has been increasing. Exposure to illnesses such as travelers' diarrhea, malaria, and vaccine-preventable diseases challenges the internist to provide pre-travel advice. Each traveler's itinerary, duration of stay and medical history, including previous immunizations, should be reviewed. Immunizations that may be required by individual countries, such as yellow fever and cholera, may then be administered. Immunizations for diseases such as hepatitis, typhoid fever, and meningococcal disease can be given according to the type of exposure within each country. Restricting a traveler's diet to cooked foods and purified, carbonated, or heated beverages may prevent travelers' diarrhea and other enteric infections. Most travelers will want to carry medications to treat diarrhea promptly. Malaria is prevented by avoiding mosquitos, taking safe and appropriate anti-malarials and treating malaria if it occurs. Preparation before travel may prevent medical complications.
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PMID:Health advice for international travel. 261 18

North American mission boards were surveyed to identify and prioritize missionary medical problems and determine initiatives for improving health. Malaria was the most common nontrivial medical complaint, and viral hepatitis the most serious. Nevertheless, only 72 percent of boards recommend malaria prophylaxis, 57 percent ascribe to regular immune globulin use, and 31 percent advocate hepatitis B immunization. Sub-Saharan Africa was considered the region of the world where missionary health was most in peril. Besides strategies to minimize the risks of malaria and hepatitis, recommendations for improving missionary health include greater use of rabies and typhoid vaccines; increased attention to mental health concerns and accident prevention, particularly seat belt use; increased health education regarding both clinical issues and public health principles; improved scheduling for relaxation and family time; and greater availability of comprehensive health services before departing, while abroad, and upon returning from an overseas assignment.
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PMID:Missionary health: the great omission. 345 73

Within a 2 month period 131 Ethiopian immigrants were admitted for treatment at a general hospital in Jerusalem. There were 52 patients with malaria, 13 with typhoid fever, 24 with pneumonia, seven with tuberculosis, nine with shigella and 11 with campylobacter. Over three-quarters of these patients were anaemic. In the majority of cases anaemia was normocytic and was most probably secondary to malaria and other intercurrent infections. The prevalence of diffuse non-toxic goitre was 7% in children and 19% in adults with a male to female ratio of 4:13. A positive rapid plasma reagin (RPR) test was found in 4% of sera tested and a positive HBsAg in 13%. IgG antibodies to HBc antigen were found in 75% of subjects. All patients with infectious diseases responded to therapy and, despite their poor condition at arrival, there were no fatalities and no late sequelae. The high HBsAg carrier state calls attention to the risk of vertical transmission by infected mothers and underlines the need for active immunization of infants at risk. The high prevalence of untreated tuberculosis and malaria poses a potential public health hazard, but with the current systematic screening of this population leading to identification and effective treatment of affected subjects, chances for the practical eradication of malaria and tuberculosis are excellent. Finally, the large scale transfer of a population from rural Africa to a modern and largely urban society presents a unique opportunity for a prospective study of the impact of environment on the emergence of diseases which plague modern society such as diabetes, atherosclerotic cardiovascular disease, hypertension and cancer.
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PMID:Medical problems in Ethiopian refugees airlifted to Israel: experience in 131 patients admitted to a general hospital. 346 61

Travelers to developing countries participated in a follow-up study of the health risks associated with short (less than three months) visits to these nations. Travelers to the Greek or Canary Islands served as a control cohort. Participants completed a questionnaire to elicit information regarding pretravel vaccinations, malaria prophylaxis, and health problems during and after their journey. Relevant infections were confirmed by the respondent's personal physician. The questionnaire was completed by 10,524 travelers; the answer rate was 73.8%. After a visit to developing countries, 15% of the travelers reported health problems, 8% consulted a doctor, and 3% were unable to work for an average of 15 days. The incidence of infection per month abroad was as follows: giardiasis, 7/1,000; amebiasis, 4/1,000; hepatitis, 4/1,000; gonorrhea, 3/1,000; and malaria, helminthiases, or syphilis, less than 1/1,000. There were no cases of typhoid fever or cholera.
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PMID:Health problems after travel to developing countries. 359 28

The immune response of young Nigerian children to a full course of infant immunizations was studied in relation to their nutritional state at the time of vaccination. No significant correlations were found between anthropometric measurements made at the time of vaccination and the antibody response to triple, polio, measles, meningococcal and typhoid vaccines. Significant correlations were found between serum pre-albumin levels and the response to group A meningococcal polysaccharide vaccine and between serum albumin levels and the response to group C meningococcal polysaccharide vaccine. These correlations may reflect the depressive effect of malaria both on serum albumin and pre-albumin levels and on immune responsiveness to meningococcal polysaccharides. No significant correlations were found between nutritional state at the time of BCG vaccination and the development of a positive tuberculin reaction five weeks later. We conclude that under-nutrition has little or no effect on the immune response to vaccines used in routine infant immunization programmes.
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PMID:The immune response to vaccination in undernourished and well-nourished Nigerian children. 363 2

One hundred consecutive patients admitted to the Port Sudan Hospital with a temperature greater than or equal to 100 degrees F were evaluated. Enteric fever was diagnosed in 19 patients and malaria in 13. Virologic studies identified 21 cases of dengue infection. One dengue 1 and 17 dengue 2 infections were diagnosed by viral isolation. Three untyped dengue infections were identified serologically. The clinical presentation and course of patients infected with dengue virus were most consistent with classic dengue fever. There was no evidence of hemorrhagic phenomena or shock in any of the dengue-infected patients. Both dengue 1 and 2 must be considered causes of acute fever in East Africa.
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PMID:Evaluation of febrile patients in Port Sudan, Sudan: isolation of dengue virus. 372

The immune response of 198 young Nigerian children protected against malaria by chemoprophylaxis with chloroquine to immunization with triple, poliomyelitis, measles, typhoid, meningococcal and BCG vaccines was compared with the immune response to vaccination of 185 control children. Good responses to triple, measles and BCG vaccines were shown by children in both groups; poorer responses were obtained to poliomyelitis, typhoid and meningococcal vaccines. The response to immunization of protected children was similar to that observed among control children for all the vaccines tested except for meningococcal polysaccharide vaccine. Protected children showed a significantly greater antibody response to both group A and group C meningococcal polysaccharides than control children. This finding supports the results of previous studies which have shown that the immune response to meningococcal polysaccharide vaccines is adversely affected both by acute malaria and by asymptomatic malaria parasitaemia.
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PMID:Malaria chemoprophylaxis with chloroquine in young Nigerian children. II. Effect on the immune response to vaccination. 383 41


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