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leptospirosis in pigs: epidemiology, microbiology and pathology. 19695814185
serological and cultural evidence of leptospirae in cape town dogs. 19655853121
chromatographic analysis and sulfhydryl sensitivity of antileptospira agglutinins in rabbit and human sera. 19655858706
[on the possibility of growing leptospiral strains in hanks lactalbumin medium]. 19645876941
cephalothin in the treatment of experimental leptospirosis in hamsters. 19655883457
[on antagonistic interrelations between leptospira of various serological types]. 19655887761
[occupational leptospiroses in bohemia and moravia]. 19645890663
[studies on the eye changes due to leptospirosis. 3. experiment by the use of fluid obtained by destruction of the body of leptospira (l)]. 19645892366
serological classification of soviet strains of leptospirae belonging to the serological group l. canicola). 19655893323
studies on distribution of leptospires among dogs in hokkaido. 19635896527
[leptospiral nephritis in dogs]. 19665944007
canicola fever in man and animals. 19665950758
[chemotypes, serotypes and infrared types of leptospirae]. 19665991785
[the serologic characteristics of the protein and polysaccharide fractions of a complex antigen isolated from leptospira]. 19666004964
growth of pathogenic leptospira in chemically defined media.a protein-free chemically defined medium for cultivation of pathogenic leptospira was developed. the medium permitted continued serial subculturing of 9 serogroups (52 strains) of the 12 serogroups (61 strains) tested. growth was initiated from small inocula, and the growth rate and maximal cell yields were similar to those on serum-containing media. the nutritional requirements of serogroups l. canicola, l. pomona, and l. grippotyphosa were studied in a basal medium composed of inorganic salts, ...19676025446
experimental leptospirosis: leptospira canicola infection in calves. 19676033694
[pattern of the agglutination-lysis test in 75 cases of various spirochytoses]. 19676044683
serological evidence of leptospiral infections in animals and their attendants on live-stock farms. 19676054494
endotoxin properties of leptospira canicola. 19676076572
[familial incidence of leptospira canicola infections and weil's disease and diagnostic difficulties in differentiation from heine-medina disease]. 19676077334
detection of leptospiral antibodies in animal sera by means of fractionated antigenic extracts.sodium dodecyl sulphate extracts of the reference strains mus 127, castellón 3 and arborea of the ballum agglutinogenic serogroup of leptospira interrogans (the species of pathogenic leptospira), of strain patoc 1 of the saprophytic species of l. biflexa, and of strain 3055 of illini serotype, the sole representative of l. illini, were each fractionated by ultracentrifugation in a sucrose density gradient into 10 fractions. the fractions were tested by complement fixation and immunodiffusion aga ...19806159474
[antigenic structure of leptospires of the canicola serogroup isolated in the north-western regions of the rsfsr].the comparative study of 16 leptospira cultures, serogroup canicola, isolated from humans and animals in different years in the north-west of the rsfsr and 2 reference strains of the canicola serovar, hond utrecht iv and kashirsky, was carried out in the agglutinin cross-adsorption tests. the absence of the antigenic homogeneity of the cultures under test was established: 9 of them proved to be identical to strain kashirsky and 7, to strain hond utrecht iv.19836193662
[a case of acute leptospirosis of a dog and a man in an experimental animal unit]. 19846378582
isolation of an antigenic oligosaccharide fraction from leptospira interrogans serovar canicola with a monoclonal antibody.an oligosaccharide fraction containing the antigenic determinant of lipopolysaccharide antigen (tm antigen) from leptospira interrogans serovar canicola, recognized by a monoclonal antibody (ct3) which agglutinates serovars canicola and broomi, was isolated by formic acid and successive sulphuric acid hydrolyses. separation of the antigenic compounds was done by bio-gel p-2 and sephadex g-25 gel filtration, and high-performance liquid chromatography with two different columns. the fraction final ...19846481337
serodiagnosis of canine leptospirosis by solid-phase enzyme-linked immunosorbent assay.an enzyme-linked immunosorbent assay (elisa) to detect antibodies to leptospira interrogans serotype canicola in dogs was developed and evaluated. comparison of the elisa with the microscopic agglutination test (mat) showed that, during the first two weeks after an experimental infection with serotype canicola, the elisa detected antibody at higher dilutions than the mat. after the second week post-infection both tests detected antibody at almost equal titres (r = 0.89). the outer envelope (oe) ...19846485246
determination of specific anti-leptospiral immunoglobulins m and g in sera of experimentally infected dogs by solid-phase enzyme-linked immunosorbent assay.the development and evaluation of an enzyme-linked immunosorbent assay (elisa) to detect specific anti-leptospiral igm and igg in sera of dogs experimentally infected with leptospira interrogans serotype canicola are reported. in all dogs specific anti-leptospiral igm was detected from the second half of the first week after infection, the maximum being attained during the second week. subsequently the igm titre gradually decreased. specific anti-leptospiral igg was detected later and increased ...19846485247
detoxification of tween for the cultivation of leptospira. 19846503745
leptospirosis in new caledonia (melanesia). 19846506927
leptospiral attachment to cultured cells.each virulent strain of copenhageni, canicola and pomona of leptospira interrogans attached effectively to mdck cells and primary dog kidney cells, while the avirulent or less virulent line of the same strain and avirulent strains belonging to the same serovars and the avirulent reference strains of other serovars did not. inhibition of the attachment of the virulent copenhageni to mdck cells was found in the presence of the homologous immunoglobulin g fab fragment. strains of l. biflexa attache ...19846532022
epidemiological aspects of canine leptospirosis in the netherlands.the epidemiology of canine leptospirosis has been examined in a limited study in the netherlands from 1969 through 1982. leptospira interrogans serotype icterohaemorrhagiae and canicola were found to be the only serotypes causing clinical leptospirosis. however, positive agglutination titres to the serotypes grippotyphosa, bratislava, poi and ballum have also been detected. the incidence of infection caused by serotype icterohaemorrhagiae was highest during summer and autumn. infections with ser ...19846532025
attempts for determining the infecting serogroup by means of agglutinin absorption from the leptospirosis patients' sera. 19836678568
serological and chemical interrelationship of antigens from leptospira interrogans serovar canicola.antigens of the outer envelope from leptospira interrogans serovar canicola (hond utrecht iv) were extracted by 50% (v/v) ethanol or by sodium dodecyl sulphate and serological analysis suggested that they were identical. the "fraction 4" extracted by alkali was found to contain glycoproteins of high (retentate) and low (filtrate) molecular weight; the latter behaved like a hapten in serology and in animal immunization experiments. antibodies were raised in rabbits against this hapten by conjugat ...19806771366
adult respiratory distress syndrome in leptospira canicola infection.a man was admitted to the johannesburg hospital with a history of fever, diarrhoea, and dry cough for four days. he began to produce bloodstained sputum and was found to have severe arterial hypoxaemia. radiography showed widespread opacification over both lung fields, and the clinical and haemodynamic features were consistent with the adult respiratory distress syndrome. serology for leptospira canicola was positive. despite antibiotics, supportive therapy, and ventilation the patient died. nec ...19816790049
hemolytic activity of leptospira interrogans serovar canicola cultured in protein-free medium.hemolytic activity of the culture supernatant of leptospira interrogans serovar canicola strain moulton grown in protein-free medium was demonstrated. the activity began to appear in the late logarithmic phase of growth of the organism and reached a plateau after 2 weeks of cultivation. it was inactivated by the addition of dipotassium ethylenediaminetetraacetate, but was effectively restored by mg2+. hemolysis by the culture supernatant was stimulated by "hot-cold" incubation. sleep erythrocyte ...19826813653
analysis of leptospira antigens by crossed immunoelectrophoresis.serovars icterohaemorrhagiae, canicola, and arboreae of pathogenic leptospira interrogans and serovar patoc of saprophytic l. biflexa were examined by crossed immunoelectrophoresis. a close antigenic relationship was found between the interrogans serovars, particularly between icterohaemorrhagiae and canicola. to a much lesser extent cross-reactions were found between interrogans serovars and patoc. comparison of three different antigenic preparations of icterohaemorrhagiae by tandem crossed imm ...19836879113
the hemorrhagic fevers of southern africa with special reference to studies in the south african institute for medical research.in this review of studies on the hemorrhagic fevers of southern africa carried out in the south african institute for medical research, attention has been called to occurrence of meningococcal septicemia in recruits to the mining industry and south african army, to cases of staphylococcal and streptococcal septicemia with hemorrhagic manifestations, and to the occurrence of plague which, in its septicemic form, may cause a hemorrhagic state. "onyalai," a bleeding disease in tropical africa, ofte ...19826897472
[analysis of the antigeno-immunologic activity of heated leptospirosis vaccine in vaccinees and in an experimental study].the comparative analysis of the immunological effectiveness of heat-killed polyvalent leptospirosis vaccine has shown the low immunological effectiveness of the whole preparation (17.8%) and its components with the exception of the antigen of the grippotyphosa serogroup. antibodies could be detected in the vaccinees for not more than 10 months, and they showed the properties of 19s-macroglobulin antibodies. in experiments on rabbits newly isolated leptospira strains from human patients and wild ...19806998213
canine parvovirus infection potentiates canine distemper encephalitis attributable to modified live-virus vaccine.twelve gnotobiotic dogs from 2 litters were allotted to 3 groups. group a dogs received a modified-live polyvalent (canine distemper, adenovirus type 2, and parainfluenza virus and leptospira -canicola-icterohemorrhagiae bacterin) vaccine 3 days prior to oral inoculation with canine parvovirus (cpv). group b dogs received cpv alone. group c dogs received 1 dose of vaccine only. in none of the 9 cpv-inoculated dogs did clinical signs of cpv infection develop, although high serum antibody titers f ...19827061309
[epidemiological aspects and diagnosis of 60 cases of leptospiroses in french polynesia].60 cases of leptospiroses were diagnosed in polynesia by blood culture and immunological test. fever and pains are prevailing signs. among 3 patients, presence of leptospires is revealed on the 43th, 54th and 90th days. the following serogroups are found: icterohaemorrhagiae 69.7%, canicola 13%, pomona 4%, australis 2%. 85% of the patients come from tahiti and 15% from "sousle-vent" islands and tuamotou. walking bare foot on wet ground in areas where numerous rodents are found is a source of con ...19827172357
[nucleotide composition and homology of the dna of parasitic leptospira].the study of dna in parasitic leptospirae of different serovariants by the method of molecular hybridization has revealed two groups differing in their homology level. the homology of nucleic acids has been found to correlate with serological properties. the serovariants ensuring cross immunity are characterized by the high level of homology of their dna.19827180252
immunogenicity and humoral and cell-mediated immune responses to leptospiral whole cell, outer envelope, and protoplasmic cylinder vaccines in hamsters and dogs.the immunogenicity of 2 leptospiral cell structural components, the outer envelope (oe) and protoplasmic cylinder (pc), as well as the leptospire whole cell (wc), was compared in hamsters and dogs. the 50% protective dose for hamsters against death (pd50d) and kidney infection (pd50k) was evaluated for leptospira interrogans serovars canicola, icterohaemorrhagiae, pomona, and grippotyphosa. all 3 immunogens had similar pd50d values. however, the pd50k values for oe and wc vaccines ranged from 0. ...19827201285
studies on the kidneys of pregnant hamsters infected with leptospira canicola.an electron microscopic study on the histopathological changes in the kidneys of pregnant hamsters resulting from infection with leptospira canicola was undertaken. the experiment revealed damage to the glomeruli as well as the tubules. the severity of these lesions increased with the progress of the disease and examination of kidney sections showed leptospires in the tissue. it is suggested that the stress of pregnancy has some influence on the severity of the lesions seen in this disease.19817236498
serologic evidence of leptospirosis in a southern arizona coyote population. 19817253099
isolation of antigenically active components from leptospiral serovar-specific lipopolysaccharide antigen by alkaline treatment.the serovar-specific main antigen (tm antigen) of leptospira interrogans serovar canicola, which as lipopolysaccharide properties, was treated with 0.1 n sodium hydroxide. this treatment degraded the antigen into two major antigenic components, one of high and one of low molecular weight. the component with the lower molecular weight (approximately 4,000 daltons) consisted mainly of carbohydrates, having lost almost all of the fatty acid and protein components of the original antigen. although t ...19817311890
serological and bacteriological survey of leptospiral infection in pigs in southern england.a total of 597 pigs were examined for serological and bacteriological evidence of leptospiral infection. the sample comprised 189 porkers, 205 baconers and 203 sows. sera were tested against 17 antigens from 16 serogroups and the overall prevalence of titres was 15.7 per cent. the lowest prevalence of titres was found in porkers (10.0 per cent). the highest prevalence of titres to an individual antigen was recorded with bratislava, a member of the australis serogroup, with 12.2 per cent of pigs ...19817323462
isolation of antigenic variants of leptospiras from puppies and pigs experimentally infected with leptospira interrogans serovars canicola and pomona. 19807382236
histopathologic evaluation of livers of pregnant hamsters infected with leptospira canicola.pregnant hamsters were inoculated with leptospira canicola by an intraperitoneal route. grossly, the livers were enlarged and pale yellow. on light microscopic examination, disruption of the hepatic cords, as well as granulation of hepatocyte cytoplasm, was evident. on electron microscopic examination, the livers had evidence of severe cellular degradation as early as post-inoculation hour (pih) 24. at pih 96, pathologic changes were more pronounced. the rough endoplasmic reticulum was swollen a ...19807447125
the use of 16s rdna sequence analysis to investigate the phylogeny of leptospiraceae and related spirochaetes.the 16s rdna sequences from 15 leptospiraceae were determined by automated pcr-directed cycle sequencing. nucleotide comparisons, including those from published sequences for leptospira canicola moulton and serpulina spp., were used to construct phylogenetic trees. serpulina hyodysenteriae and s. innocens were related to each other but were distinct from the leptospiraceae comprising leptospira parva incertae sedis (turneria parva h), leptonema illini and leptospira spp. the pathogenic and the s ...19937506293
a neutral sugar is responsible for serovar specificity of the antigenic determinant of leptospira interrogans serovar canicola.to provide information on the chemical structures of antigenic determinants of leptospira, glycolipids of leptospira interrogans serovar canicola strain hond utrecht iv (ut-iv) and its antigenic variant selected in the presence of a serovar-specific monoclonal antibody were compared physicochemically. gas-liquid chromatography-mass spectrometry analysis revealed that the glycolipid of ut-iv contained 6 neutral sugar species; rhamnose, mannose, galactose, glucose, and unknown sugars iii and iv, i ...19947528287
leptospiral pneumonia.leptospirosis is an uncommon zoonosis. as a systemic infectious disease, leptospirosis usually is characterized by multisystem involvement. pulmonary involvement with leptospirosis often is manifested by respiratory symptoms, but pneumonia commonly is not a prominent clinical manifestation of the illness. we report a case of fulminant leptospiral pneumonia in which pulmonary manifestations were primary clinical features of the illness.19957656649
[human diseases caused by leptospirae of the canicola serogroup in the krasnodar territory].during the period of 34 years (1957-1990) diseases caused by leptospires of the serogroup canicola were confirmed in 2.7% of the total number of patients. the analysis revealed that in the presence of epidemic outbreaks leptospira infection caused by bacteria of the serogroup canicola occurred 1.7 times more often than at the time when such outbreaks were absent. periodic increases of leptospirosis caused by this serogroup were registered in individual towns and regions of the territory in diffe ...19938067118
[dogs as the possible source of leptospirosis in people]. 19938079558
value, possibilities and limitations of the specific serological diagnosis in relation to the evolution of ocular complications in human leptospiroses. 19938173121
leptospirosis serology in korean wild animals.a study was undertaken on wild animals to determine the seroprevalence of animal leptospirosis in korea. using the serum microagglutination test for 19 serogroups, it was shown that two of 26 rats (rattus rattus) had antibodies to leptospira canicola. when data for domestic animals were included, the most prevalent (nearly 50%) serogroup was leptospira canicola.19938258863
[the type of leptospirosis epidemic and serogroup transformation in fujian province in recent years].by analysis of investigations in recent years in fujian province, it was found that the main type of leptospirosis epidemic was rice-field type, the other was flood type which had the tendency to shift from coastal plain area to northwest area. in the main epidemic area, wupin county, the detection rate of hebdomadis serogroup rate sharply declined (p < 0.01), however, that of batavia serogroup markedly increased (p < 0.01).19938504450
[weil's disease and necrotizing herpes pneumonia as the cause of death of a 39-year-old sewage drain worker].acute leptospirosis in europe (weil's disease) is a rare and in more than 90% of the cases undiagnosed febrile, self-limited disease. we report the case of a 39-year-old sewerage worker, who was admitted to our hospital with fever, jaundice, pain in his calves and acute renal failure. serology revealed elevated antibody titers against leptospira canicola, l. icterhaemorrhagica and l. sejroe. the patient developed disseminated intravascular coagulation (dic) with diffuse gastrointestinal bleeding ...19969082372
protection of dogs against canine distemper by vaccination with a canarypox virus recombinant expressing canine distemper virus fusion and hemagglutinin glycoproteins.to evaluate the safety and efficacy of a live canarypox virus recombinant-canine distemper virus (cdv) combination vaccine against virulent cdv challenge exposure, and to document lack of interference among the other modified-live virus (mlv) components.19979256965
[leptospira interrogans in a canine population of greater buenos aires: variables associated with seropositivity].we determined the seroprevalence of leptospirosis in a suburban canine population for the purpose of analyzing the association between different individual and environmental variables and seropositivity for leptospirosis. the study, which was cross-sectional, was performed in july 1992 in a neighborhood of greater buenos aires with approximately 9,500 inhabitants and a canine population of around 2,000 animals. we studied a random sample of 223 dogs and obtained a blood sample from each. each an ...19979312417
seroepidemiology of canine leptospirosis on the island of barbados.previous surveillance in barbados documented the absence of infection with leptospira serogroup canicola in dogs. the aim of this study was to survey the current state of canine leptospirosis in barbados, 10 years after the last survey. sera from 78 unwanted dogs scheduled for euthanasia and 61 dogs suspected of having acute leptospirosis were tested by microscopic agglutination (mat) and by an elisa method adapted for canine igm and igg antibodies. the seroprevalence in unwanted dogs was 62% (4 ...19979355256
demonstration of leptospiral antigens on tissues using monoclonal antibodies and avidin-biotin peroxidase staining.glycolipoprotein (glp) cytotoxin was extracted from leptospira interrogans serovar canicola. the silver staining profile of glp subjected to sds-page under denaturing conditions showed a number of bands in the mol. weight range of 14-66 kda. mouse monoclonal antibodies (mabs) igg3 recognizing a band near to 24 kda of leptospiral glp were produced (clone number mglp-01). the agglutinating property of mabs was established by microscopic agglutination test (mat) using 25 different serovars as antig ...19979495655
[leptospirosis in children in ciego de avila province, cuba].the morbidity of leptospirosis among children from ciego de avila province was investigated from 1982 to 1995, and 253 cases were diagnosed. isolated cases prevailed over those occurring in outbreaks. the 10-14 age group was predominant, followed by the 5-9 age group. according to sex, it was more frequently found in males than in females. one death occurred during this period. there was an increase of cases from july to august and october, and november showed a higher incidence of cases. fever, ...199910228364
[the reactogenicity and immunogenicity of the first cuban vaccine against human leptospirosis].a controlled double-blind trial was conducted with the participation of 80 adult volunteers of both sexes, who were randomly divided into groups of 40 individuals each one. the case-base study received the vaccine and the control group was administered placebo to know the safety, the behaviour of reactogenicity, and to star the immunogenicity studies of the first cuban vaccine against human leptospirosis. the vaccine used in the case-base study was an inactivated and trivalent vaccine containing ...199810349437
the maintenance of challenge strains used in the potency test for canine leptospira vaccines.the challenge test for leptospira vaccines required by most licensing authorities is difficult to standardise and unreliable. one of the main contributory factors to this, is the difficulty in maintaining the virulence of the challenge strain. this paper describes work carried out to assess the practicality of storing challenge strains of leptospira canicola and leptospira icterohaemorrhagiae in liquid nitrogen. the effects of different concentrations of glycerol and dimethyl sulphoxide on the r ...200010799052
clinical, bacteriologic and histopathologic studies on induced leptospirosis in stray dog pups.eighteen 8-12 days old stray dog (canis familiaris mongrel) pups of either sex; 6 pups each in test groups and control group were infected with lepotspiral serovars autumnalis and canicola. the experimental animals, clinical, bacteriologic and histopathologic kinetics were observed. both the serovars had evoked typical clinical manifestations. leptospiraemia could be demonstratedin between the post inoculation (pi) days 1 & 5. leptospiruria commensed in between the pi days 5 & 7 and lasted throu ...199911127379
preliminary study on differentiation of leptospira grippotyphosa and leptospira sejroe from other common pathogenic leptospiral serovars in canine urine by polymerase chain reaction assay.a multiplex polymerase chain reaction (pcr) method using primer sets of g1/g2 and b64-i/b64-ii was validated to detect pathogenic leptospira serovars from canine urine samples. the pcr method was found to be specific and sensitive with a detection limit of 100 cells of leptospira icterohaemorrhagiae per milliliter of urine. the primer set previously designated and erroneously transcribed b64-i/b64-ii amplified a dna fragment of 352 base pairs from leptospira grippotyphosa and leptospira sejroe b ...200211939341
duration of immunity in dogs vaccinated against leptospirosis with a bivalent inactivated vaccine.duration of immunity in dogs induced with current commercial inactivated leptospirosis vaccines and evaluated against experimental infection, to date, has hardly been documented. the purpose of the present work was to assess the duration of immunity in dogs that is attainable with a commercial inactivated bivalent leptospirosis vaccine. for this purpose, young dogs were vaccinated twice followed by challenge with either leptospira interrogans serovar canicola or l. interrogans serovar icterohaem ...200312860082
[the gold hamster, a laboratory animal for leptospira canicola]. 195213006750
canicola fever; report of a human infection due to leptospira canicola in minnesota. 195213013078
nutrition of leptospira canicola. iii. utilization of vitamins and amino acids. 195313037800
[epidemiology of leptospirosis, especially the infection by leptospira canicola in berlin]. 195213057342
[experimental inoculation of leptospira canicola in dog]. 195313121616
[torpid meningeal syndrome with unilateral subacute uveitis; leptospirosis due to leptospira canicola]. 195313150159
formation of granular structures by leptospirae as revealed by the electron microscope. 195413174487
human leptospirosis associated with a swimming pool, diagnosed after eleven years. 195413180496
polysaccharide antigens from three leptospiral serotypes. 195513228890
leptospira canicola in cattle. 195513242678
meningitis due to leptospira canicola: first report of occurrence in canada. 195513250479
canine leptospirosis and public health. 195513273578
canicola fever in japan. ii. five sporadic cases. 195513278111
[first case in north africa of leptospirosis canicola and first case of pulmonary miliaria caused by leptospira canicola]. 195513293529
leptospirosis canicolaris in pigs and its probable transfer to human beings. 195613295622
[leptospirosis canicola in the czechoslovakian republic]. 195513300781
canicola fever with meningitis; a report of three cases and an epidemiological study at fort mcclellan, alabama. 195613312722
canicola fever in japan. 195613313531
an epidemic of canicola fever in man with the demonstration of leptospira canicola infection in dogs, swine and cattle. i. clinical and epidemiological studies. 195613339777
an epidemic of canicola fever in man with the demonstration of leptospira canicola infection in dogs, swine and cattle. ii. laboratory studies. 195613339778
[canine leptospirosis and public health]. 195613350701
chemotherapy in hamsters chronically infected with leptospira canicola. 195613357400
[leptospira canicola infections in one of the districts of rostov on the don]. 195713423820
[eye diseases caused by leptospira canicola]. 195713472792
the demonstration of leptospira canicola in hamster kidneys by means of fluorescent antibody. 195713473368
[fatty acids in growth tests with leptospira canicola]. 195713497083
prevalence of agglutinins in canine serums to serotypes other than leptospira canicola and leptospira icterohaemorrhagiae; report of isolation of leptospira pomona from a dog. 195813498252
a mild form of leptospirosis due to leptospira canicola; report of 3 cases in children. 195813556663
leptospira canicola infection in a newborn calf. 195813583355
amino acid utilization by leptospira canicola. 195913620644
[leptospira canicola infections in dogs of a training school]. 195813624123
[outbreak of human leptospirosis after a flood in reconquista, santa fe, 1998].since april of 1998 a high number of leptospirosis cases were detected, coming from the area of reconquista central hospital in santa fe province. since january of that year a notable increase in rainfall and river levels was observed causing inundation. as screening test, macroscopic agglutination (mat) using 10 serotypes of l. interrogans. among the 122 patients studied 71 were tr positive and 52 were also elisa positive, leptospirosis diagnosis being confirmed in 40 of them. five infecting se ...200212415894
haemorrhagic pneumonitis: a rare presentation of leptospirosis.leptospirosis is an uncommon zoonosis. as a systemic disease, it presents itself by multisystem involvement. pulmonary involvement with leptospirosis often is manifested by respiratory symptoms; but pneumonia commonly is not a prominent clinical manifestation of the illness. we report a case of leptospiral pneumonia in which pulmonary manifestations were primary clinical features of the illness. the prompt resolution of chest x-ray on institution of treatment is noteworthy.200111590290
clinical and epizootiological study of a leptospirosis outbreak due to leptospira canicola in a feedlot.this report describes the epizootiology, clinical presentation, diagnosis and treatment of an outbreak of leptospirosis caused by leptospira canicola in feedlot calves. the infection appeared to be of high morbidity with a cumulative clinical incidence of 15.6%, cumulative subclinical incidence of 39% and high mortality (8.3%). clinical disease was diagnosed in 4-8-month-old calves, while subclinical infection occurred in 9-12-month-old calves. subclinical infection was based on serological evid ...19979408897
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