 鲜花( 499)  鸡蛋( 10)
|
sewer backup is actually quite common in Edmonton.
8 Z. z0 V& b) o# g/ `/ S; i+ j+ X4 F& G6 D g. b
The Microorganisms of Concern In Sewage Contamination Are:4 w+ u) h7 _9 E& Q: l
# u% v& H) B7 ~' L8 b! H2 E, O/ E * Bacteria) o3 |+ b( W) [0 S X8 I1 v& C
* Parasites
" T; X$ I6 U w4 Q * Viruses
/ _. H8 ]. ?& ?& X% g% u9 o# F$ J
/ _+ g( s' A2 l- iBacteria:
7 Q" @: O: o- b7 t& g3 W# j/ V6 k, Q8 N6 f8 l2 ^- m
* E-coli (Escherichia coli), indicator of sewage contamination, source of endotoxin, cause of diarrhea, food poisoning) A8 _/ P6 M( W' |! w
* Salmonella, food poisoning, diarrhea/ [5 a9 e" J' k) U# Q6 v l
* Shigella, Life-threatening
- U ?/ i* J& E8 L O * Pseudomonas, endotoxin source, wound infections / a( Y$ Q' F, } Z
3 K1 j/ o; q% Y( ]3 T) SParasites:
: \2 r0 n3 p0 _& \; L2 V
( A8 Z' x# J: t0 [0 [; ^! f$ C * Giardia, results in severe intestinal disease6 \: D/ I; G: U6 @8 s
* Cryptosporidium, also results in chronic and severe intestinal disease# ^- c; b5 @8 E) O$ D6 x s
* Round worms and Helminthes (Tape Worms)
8 n* U! P+ q9 D1 [4 i, ^2 K w- ?
: h6 E6 h8 U# Y- NViruses (>120 species):9 E- \" }3 p7 K" A2 A" O
3 A y! w* @% ^& e3 b( N0 j; U * Hepatitis A, causing liver inflammation
$ X1 }4 |' m9 a7 l Y( a! `: b( z * Adenoviruses, causing eye and respiratory infection% z8 {: y: p% ~
* Rotavirus, can cause life threatening diarrhea in children
. E2 l/ d x" T. }# D. I- @
0 x& @+ p7 M* a( g2 i. I& H7 gRoutes of Transmission:% K E9 a' a; O: X5 v( e! Y9 m: T
7 {9 K" ~" E: ]+ |
* Ingestion is the Main Route- y3 t2 V' Y9 ^6 B
* Skin and Puncture Wounds
+ c' q9 d1 U2 e \) W * Inhalation |
|