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PubMed1994

Sheep as maintenance host for Leptospira interrogans serovar hardjo subtype hardjobovis.

Transmission of Leptospira interrogans serovar hardjo subtype hardjobovis from naturally infected sheep to uninfected sheep and calves was studied. A microscopic agglutination test and ELISA were used to determine specific antibody responses in serum. Polymerase chain reaction was used to detect bacterial shedding in urine. Six sheep were derived from a dairy farm where cows were infected with L hardjobovis. Three of these sheep were seropositive for L hardjobovis, and 1 also shed leptospires in the urine. The other 2 sheep shed leptospires in the urine 7 days after the first observation date. The 6 sheep were placed on an isolated pasture together with a second group of 6 noninfected sheep. During the observation period of 140 days, 1 sheep of the second group became infected with L hardjobovis. On 5 consecutive days, a urine mixture from the 4 infected sheep was sprayed on the heads of 4 noninfected calves. Within 56 days, all calves that had been sprayed with urine shed L hardjobovis in the urine and became seropositive for L hardjobovis.

Animals↗
PubMed1983

Leptospirosis--an occupational disease of soldiers.

Two cases of leptospirosis are described in soldiers who fell into a river together. One developed Weil's disease due to icterohaemorrhagiae serogroup and the other "Mud-Fever" due to grippotyphosa serogroup. The organisms were initially cultured in standard blood culture media. There were six cases of leptospirosis in BAOR in the 10 years to 1980 giving an incidence 10 times greater than in the civil population of UK and West Germany. Leptospirosis is an occupational disease of soldiers in BAOR and the health risks of fresh water immersion should be publicised.

Adult↗
PubMed1960

Infection with different species of leptospires in husband and wife.

Leptospirosis occurring in a husband and wife is described. Both were responsible for cleaning up the excreta of a recently acquired puppy. The wife developed leptospirosis canicola, and three months later the husband developed leptospirosis icterohaemorrhagica. Difficulty was experienced in ascertaining the infecting species of leptospire in the husband owing to the agglutination tests giving an equal rise and fall in titres for both L. icterohaemorrhagiae and L. canicola. The diagnosis was only confirmed after cross-absorption tests had been done. The husband developed pulmonary complications on the nineteenth day. The radiological appearances of the chest are discussed, together with a brief review of the literature on the radiological manifestations of pulmonary lesions in Weil's disease.

Body Fluids↗
PubMedDate not supplied

Human leptospirosis--a review of 50 cases.

Epidemiological and clinical aspects of 50 consecutive patients, 47 adults and three children, hospitalized between 1977 and 1987 for human leptospirosis, were reviewed. 45 (90%) of the patients were from rural regions. 32 (64%) cases occurred in individuals at occupational risk for the infection. 35 (70%) cases were registered in the warm season. The source of infection was known in 34 (68%) cases. Weil's disease was diagnosed in 31 (62%) patients, aseptic meningitis in 12 (24%) and acute unexplained fever in seven (14%). Haemodialysis was required for 11 (35%) patients with Weil's disease. Three (6%) patients died. Cause of death was massive gastrointestinal haemorrhage in two and renal failure in one. Leptospira icterohaemorrhagiae was responsible for 39 (78%) cases, Leptospira canicola for six (12%), Leptospira grippotyphosa for two (4%), and Leptospira australis, Leptospira ballum and Leptospira sejroe, for one case each. A muscle biopsy was performed in six patients and a renal biopsy in three. Focal necrotic muscular changes, with mild mononuclear infiltrate, were found. Pigmented casts in distal convoluted tubules, mild interstitial inflammatory infiltrate and mesangial enlargement of some glomeruli were observed in kidney biopsies. A good knowledge of the protean clinical manifestations of leptospirosis and an accurate laboratory study are required for a correct diagnosis.

Adolescent↗
PubMed1983

[Therapy and prevention of leptospirosis].

After a brief description of the experimental and clinical data on antibiotic treatment of leptospirosis, personal experience of 47 patients is reported. The administration of antibiotics to these patients with Weil's disease, lymphocytic meningitis or grippe-like syndrome began well after the onset of the infection and appeared to have little therapeutic effect. The symptomatic therapy of leptospirosis, especially in the form of Weil's disease with serious renal insufficiency is then referred to and the early use of peritoneal dialysis is recommended. General specific and immunizing (vaccination) prophylaxis procedures are then described.

Fever↗