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Página 1 a partir de 658 resultados
Places, attitudes and moments during the epidemics: representations of yellow fever and cholera in the city of Buenos Aires, 1867-1871.
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The goal of this article is to analyze the different representations of health and disease associated with the epidemics of yellow fever and cholera that took place from 1867-1871 in the city of Buenos Aires. It argues that there was a very broad and heterogeneous repertoire of representations that
Lessons Learned from Emergency Response Vaccination Efforts for Cholera, Typhoid, Yellow Fever, and Ebola.
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Countries must be prepared to respond to public health threats associated with emergencies, such as natural disasters, sociopolitical conflicts, or uncontrolled disease outbreaks. Rapid vaccination of populations vulnerable to epidemic-prone vaccine-preventable diseases is a major component of
Pathogenesis of classical swine fever: B-lymphocyte deficiency caused by hog cholera virus.
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Hog cholera, also known as classical or European swine fever, is caused by hog cholera virus, a member of the genus Pestivirus. It is shown here that the end stage of lethal infection in the natural host is associated with a dramatic depletion preferentially of B lymphocytes in the circulatory
Vaccines against cholera, typhoid fever and shigellosis for developing countries.
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Enteric diseases, such as cholera, typhoid fever and shigellosis, still produce a significant burden, especially among the poor in countries where these illnesses are endemic. Older-generation, parenteral, whole-cell vaccines against cholera and typhoid fever were abandoned in many countries as
Construction of a bivalent oral vaccine for prevention of typhoid fever and cholera diarrhea.
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A recombinant plasmid pMM-CTB containing the gene for production of the nontoxic B subunit of Vibrio cholera was transferred into a safe, effective and attenuated oral vaccine Ty21a strain of Salmonella typhi. The resulting Ty21a (pMM-CTB) could steadily produce CT-B subunit that was secreted
Construction of a potential live oral bivalent vaccine for typhoid fever and cholera-Escherichia coli-related diarrheas.
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We used the Salmonella typhi galactose epimerase (galE) mutant strain Ty21a, shown to be a safe, effective, living, attenuated oral typhoid vaccine, as a recipient for a recombinant plasmid containing the gene for production of the nontoxic B subunit of the heat-labile enterotoxin of Escherichia
Safety and immunogenicity of live oral cholera and typhoid vaccines administered alone or in combination with antimalarial drugs, oral polio vaccine, or yellow fever vaccine.
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The effects of concomitant administration of antimalarial drugs, oral polio vaccine, or yellow fever vaccine on the immune response elicited by the Vibrio cholerae CVD103-HgR and Salmonella typhi Ty21a live oral vaccines were investigated. Healthy adults were immunized with CVD103-HgR alone or
[A comparison of the serological effects of classical cholera vaccine and of purified fraction vaccine, with or without simultaneous yellow fever vaccine (author's transl)].
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In order to test whether simultaneously administered cholera vaccine has a depressive effect on yellow fever vaccine, a controlled trial was undertaken on school-age children in the South-Central Province of Cameroun. In addition to this principle objective, the study also permitted a comparison of
Estimation of the dynamics and rate of transmission of classical swine fever (hog cholera) in wild pigs.
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Infectious diseases establish in a population of wildlife hosts when the number of secondary infections is greater than or equal to one. To estimate whether establishment will occur requires extensive experience or a mathematical model of disease dynamics and estimates of the parameters of the
Development of Rift Valley fever (RVF) vaccine by genetic joining of the RVF-glycoprotein Gn with the strong adjuvant subunit B of cholera toxin (CTB) and expression in bacterial system.
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One of the mosquito-borne zoonotic diseases is the Rift Valley fever virus (RVFV). Currently, there is no completely licensed vaccine that can be used to vaccinate animals or humans outside endemic areas. The aim of this work was to use the RVFV glycoprotein (Gn) and the subunit B of cholera toxin
Assessment of safety and protective value of a cell culture modified strain "C" vaccine of hog cholera/classical swine fever virus.
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The protective value of a commercial strain "C" vaccine of classical swine fever (CSF) was tested in weaner pigs. Vaccinated animals were challenged intranasally with the virulent hog cholera virus (HCV) strain ALFORT/187 in groups of four pigs each at one to four weeks post vaccination,
Policymakers' views regarding the introduction of new-generation vaccines against typhoid fever, shigellosis and cholera in Asia.
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Face-to-face interviews and meetings with more than 160 policymakers and other influential professionals in seven large Asian countries (Bangladesh, China, India, Indonesia, Pakistan, Thailand and Vietnam) were conducted to survey opinions regarding the need for, and potential uses of new-generation
Safety and immunogenicity of a live oral bivalent typhoid fever (Salmonella typhi Ty21a)-cholera (Vibrio cholerae CVD 103-HgR) vaccine in healthy adults.
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The safety and immunogenicity of the live oral attenuated vaccine strains vibrio cholerae CVD 103-HgR and Salmonella typhi Ty21a were evaluated alone or in a combined bivalent formulation in four groups composed of 185 healthy European adults. All presentations were well tolerated. The serum anti-S.
Application of a blocking enzyme-linked immunosorbent assay for serological monitoring of hog cholera (classical swine fever) in Poland.
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Between 1990 and 1992, serum samples from 55,478 domestic swine were tested by enzyme-linked immunosorbent assay (ELISA) for the presence of hog cholera virus (HCV) antibodies. The amount of antibody in the sera was expressed as the mean percentage inhibition (PI). For diagnosis, the tested sera
Classical swine fever (hog cholera) in wild boar in Europe.
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Classical swine fever (CSF) is of increasing concern in Europe where wild boar appear to play an important epidemiological role. In most parts of the continent, demographic trends are on the increase, due to improvement in game management. As a result of higher densities, populations become more
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