EHEC STEC Flashcards
1
Q
EHEC STEC VTEC
A
O157:H7
2 antigenic toxins
Shiga like toxin 1 and shiga like toxin 2
Verotoxin
under phage control
Cattle are major reservoir( hamburger meat, unpasteurized apple juice,
Virulence factors- acid resistance , epithelial adherence ( attaching and effacing adherence, fimbriae, LPS)
shiga toxin STX1 and STX2 production- inhibit protein synthesis
ID 1-100
2
Q
Diseases caused by EHEC
A
Haemorrhagic colitis—severe diarrhoea
HUS
-acute renal failure, microangiopathic hemolytic anemia and thrombocytopenia
