 鲜花( 499)  鸡蛋( 10)
|
sewer backup is actually quite common in Edmonton. 2 c' i# f% d/ d$ l! o1 A+ z, [
' F9 }+ m7 y8 Z/ {+ Q- o
The Microorganisms of Concern In Sewage Contamination Are:
( @4 @0 v, D# y2 K+ P& @8 D' Z" V8 G7 I4 `4 Q
* Bacteria% N# M" |: x0 t/ }3 e. D. i
* Parasites4 W6 [6 V2 ]. i) e. j- A( ]
* Viruses- N4 p, p3 S: w1 \ |( `6 A- Q: K
; ~+ n) }/ f. S/ mBacteria:6 D( c1 E" ~, ]4 f/ W3 s. T" r( s
" ~% s9 e7 o$ J * E-coli (Escherichia coli), indicator of sewage contamination, source of endotoxin, cause of diarrhea, food poisoning4 T0 Z& d- |! N0 z1 a; W
* Salmonella, food poisoning, diarrhea
$ z/ X( D/ d' b# ]/ y2 U5 ~2 v * Shigella, Life-threatening3 D# I) q7 E$ B8 m: ~6 y# z
* Pseudomonas, endotoxin source, wound infections
5 \# i! R2 _! X' `3 R
" P( r" r; [$ l1 fParasites:0 L v8 I5 P1 w$ ?9 p) h
' |2 d5 j2 C3 j3 c5 H * Giardia, results in severe intestinal disease
/ J5 f9 K; e0 m * Cryptosporidium, also results in chronic and severe intestinal disease
]5 |( I3 ?) d1 O" ^2 R * Round worms and Helminthes (Tape Worms)
$ k( }1 u; g6 J( f* g/ b" g- P, \3 \7 T% z+ ~
Viruses (>120 species):
( v$ ?( V2 \* h+ H7 q7 Q
% P. J, p2 H; B3 v6 j1 c * Hepatitis A, causing liver inflammation
. r, f, I- _) q( X+ b( h2 x * Adenoviruses, causing eye and respiratory infection
& V8 K* y5 y0 w3 H; `( B6 I * Rotavirus, can cause life threatening diarrhea in children + ~0 @& s% h* \* ]
9 O' Q$ q$ l/ d H' A. XRoutes of Transmission:$ O) ~" x7 C b0 Q
' \$ P* k6 c2 z3 D
* Ingestion is the Main Route& s$ g1 A0 S! X, x
* Skin and Puncture Wounds% ?9 |+ K$ i+ a! }- E, I5 P
* Inhalation |
|