 鲜花( 499)  鸡蛋( 10)
|
sewer backup is actually quite common in Edmonton. z8 J2 H$ f0 |
/ X) P, V/ G( b7 ~. |The Microorganisms of Concern In Sewage Contamination Are:
9 M! y @% R/ p) p+ L6 t( E. f6 _! `" l8 K2 |+ |
* Bacteria
! i, U7 P& f8 ` * Parasites
' k9 W8 n8 f+ _! ?2 W * Viruses6 p" z- @ }) c& z
T e- y0 v* q
Bacteria:( F+ k: b7 h- y6 G. `0 J1 h
/ S& h% b X; V3 b. _3 P% P7 c- z
* E-coli (Escherichia coli), indicator of sewage contamination, source of endotoxin, cause of diarrhea, food poisoning
/ X- q0 H/ I3 @$ R, Z * Salmonella, food poisoning, diarrhea, d, D+ l3 H, h D: b7 d% v
* Shigella, Life-threatening
6 ?$ n/ d Z% Y. n. V7 U1 Z' t * Pseudomonas, endotoxin source, wound infections
: q4 N, o2 r3 l. {0 X$ B' u
7 e% r6 L6 i2 d+ T4 `/ k5 Y& r3 V0 jParasites:
# I1 z( \9 M# i1 [( ?1 r. h$ [" c* W8 C$ L8 y8 t8 }: n
* Giardia, results in severe intestinal disease
8 @7 V& v/ I1 i/ P) t% b5 A0 t * Cryptosporidium, also results in chronic and severe intestinal disease z$ R( J' i3 F* @% e
* Round worms and Helminthes (Tape Worms)
% F8 [. R* O E( V/ X! W: z. ~. J q4 x( r& o
Viruses (>120 species):
J3 N- Q% K3 m1 E
! V- Z0 V) e% h7 z * Hepatitis A, causing liver inflammation
4 I4 T6 t( |7 K2 }6 R * Adenoviruses, causing eye and respiratory infection
( O3 I' W" L! o1 } * Rotavirus, can cause life threatening diarrhea in children 6 h: B7 X, @: H/ e) ?- z- d
9 a7 V( j7 a8 v, G+ D
Routes of Transmission:* W6 S) b" I, t0 l& g8 E" ]6 @5 t
7 B: {& X* s! W( l& `& I * Ingestion is the Main Route
; N1 q ^& G& h * Skin and Puncture Wounds
' g* _# t* k& j9 O" n# d9 M * Inhalation |
|