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Volume 9, Number 12—December 2003

Research

Emerging Genotype (GGIIb) of Norovirus in Drinking Water, Sweden

Karin Nygård*, Maria Torvén*, Camilla Ancker†, Siv Britt Knauth†, Kjell-Olof Hedlund*, Johan Giesecke*, Yvonne Andersson*, and Lennart Svensson*‡Comments to Author 
Author affiliations: *Swedish Institute for Infectious Disease Control, Solna, Sweden; †Karolinska Hospital, Stockholm, Sweden; ‡University of Linköping, Linköping, Sweden

Main Article

Table

Results from bacteriologic analysis of water samples, Sweden, 2001

Place Date (2001) Heterotrophs/
mL (2d) Coliforms/
100 mL E. colia/
100 mL Sulphite-reducing
clostridia/100 mL Fecal streptococci
/100 mL
Tap water, kitchen
06/12
80
140
47
-
-
Water works
06/18
690
100
32
<1
2
Tap water, kitchen
06/18
530
130
40
<1
1
Well 1
06/20
>300
430
>100
-
-
Well 2
06/20
>300
1
<1
-
<1
Well 3
06/27
2,100
19
1
-
-
Old well
06/27
1,100
630
22
-
-
Storm water
06/27
2,000
190
3
-
-
Well 2
07/03
1,300
160
6
-
-
Beach 07/17 16,000 1 - - -

aEscherichia coli.

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