 鲜花( 499)  鸡蛋( 10)
|
sewer backup is actually quite common in Edmonton. , ]7 O0 F" i$ c0 B
" s; l8 L: ~- z: s( N% I0 D" t
The Microorganisms of Concern In Sewage Contamination Are:& H- ~+ i6 F6 J) A3 a
3 @; c0 x- L, P$ ]* C4 @' P$ N4 l * Bacteria
- {: X/ l. m V! p) ^3 b6 g1 p4 \ * Parasites) C5 ^: d1 B: c* G
* Viruses
: W; O6 v& n7 y
+ X8 K" t: f, @3 p4 Y, v2 dBacteria:$ o& Y/ o/ ]' b' ?2 o" d" O7 u- K
: p+ d @/ D. E: V' Y
* E-coli (Escherichia coli), indicator of sewage contamination, source of endotoxin, cause of diarrhea, food poisoning
; ~, {& H' o6 O1 [4 Z6 A9 ] * Salmonella, food poisoning, diarrhea
9 p; k5 K- N- I H * Shigella, Life-threatening
6 I- ?) }- t$ ?. r, @$ H7 W * Pseudomonas, endotoxin source, wound infections
9 ^4 ]' d5 m' A j# y8 H8 @6 `* k8 f# _+ o
Parasites:
9 x6 Q G8 y- X" c% Q @9 L0 `" R# `, s0 }% ?- J
* Giardia, results in severe intestinal disease
% A) y; \. O! t6 B# G * Cryptosporidium, also results in chronic and severe intestinal disease; y. z- l5 U% u- j. N5 `6 T6 \$ T
* Round worms and Helminthes (Tape Worms) 0 Y4 i( r# X! O7 y
2 W+ J9 o7 F3 ~
Viruses (>120 species):" v9 V$ k8 l: t C9 C, r3 k8 C7 F
* L8 ?& e T/ @3 V0 P+ n, ~/ P
* Hepatitis A, causing liver inflammation
$ J, ^$ ^: e6 E: ^- V9 A) o" v * Adenoviruses, causing eye and respiratory infection
4 ?5 R. F# E/ N2 l* P9 X * Rotavirus, can cause life threatening diarrhea in children 4 R# [$ `8 q& O9 j" R
) v' p- G( H A* w& o
Routes of Transmission:! r1 ]( e4 B' ^# G* R2 t5 G5 X9 \
% V) c0 }7 G! V8 ^9 K% K! N
* Ingestion is the Main Route
9 u" A- I; x" L9 S * Skin and Puncture Wounds
: l% G% G9 R, X) V * Inhalation |
|