Bacterial Infections

NAME OF DISEASE

AETIOLOGY&FEATU RES

Typhoid

Salmonela typhi,G-Ve motile,endotoxin,li ve in external environment.killed by heating60 degree in 1 hr&boiling in 2-3 mintues

EPIDEMIOLOGYSOURCE(S),MODE(ROUT E,) OF TRANSMISSIN(RT),SENSI TIVE PATIENT,VECTORS S-Man RT- by fecaloral, Enter the organism of a healthy person with- vegetables,water, food. ,flies. enter the organism of a healthy person through- the mouth. Diseases increase in warm time

.

PARA TYPHOID A&B

Same above, G(-) Does not form capsuls,Produce

S- patients& bacteria carriers, animals,poultry.

PATHOGENESIS

Bacteremia- at the e of the incubation period, during the first week of the disease during the first day o the disease.Part of th digestive tract of the human body are the major patholog (anatomic, morphological) change in typhoid fever localized- in the small bowel (intestine), in th terminal ileum,Change in the tissues of the th digestive tract go through the following stages- medullary tumefaction, necrosis thetissues,disengagem nt of the necrotic tissues, stage of clean ulcers

Salmonellosis

endotoxin

R.T- By fecal_oral

S.derby S.enteritidis S.typhimurium, G(-), Does not form capsules,Produce endotoxin.More important roleS.enteritidis S. typhimurium,

S-pigs,cats,dogs, ducks, Major pathologic rodents,ducks,Cattle,ge ese, man, poultry,doves. eliminated into the environment—urine, feces, R.T-By fecal_oral. wayof the transmissionAlimentary,by contact, with water. enters the organism withwater,food. live in water- 5 months

changes in gastrointestinal varian -in small intestine. Body fluid(s) or discharge(s) may contain causative agents in salmonellosisblood,feces urine, respiratory secretion. Purulent foci may develop in typhoid for of Salmonellosis in following organs-liver, pancreas, lung,kidney brain.