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Table 3 Enteroviruses Comparison Sheet: Positive Clinical isolates/ Positive Sewage Isolates

From: Assessment of enteroviruses from sewage water and clinical samples during eradication phase of polio in North India

Percentage of Clinical virus Isolates / Percentage of sewage Isolates
Virus 2007 2008 2009
July- Sep. Oct- Dec. Jan.- March April–June July- Sep. Oct. – Dec. Jan.- March April–June July- Sep.
N/N 12/6 10/5 9/4 11/5 14/8 12/4 11/4 8/4 11/4
E3 0/0 0/0 0/25.0 0/0 0/0 0/0 0/0 0/0 0/0
E4 16.6/0 0/0 0/0 9.0/0 0/0 0/0 0/25.0 0/0 0/0
E6 16.6/16.6 0/0 0/0 0/0 0/0 0/0 0/0 0/25.0 0/0
E7 0/0 10.0/0 0/25.0 0/0 7.1/12.5 0/0 9.0/0 0/0 0/0
E9 8.3/33.3 10.0/0 11.1/0 9.0/20.0 0/0 8.3/0 0/25.0 0/0 0/0
E11 8.3/0 20.0/20.0 0/0 0/0 14.3/12.5 8.3/0 0/25.0 0/0 0/0
E12 8.3/0 0/0 11.1/0 0/0 0/0 16.3/0 0/0 0/0 0/0
E13 0/0 0/0 0/0 0/20. 0/0 0/25.0 0/0 0/0 0/0
E25 0/0 0/20.0 11.1/0 0/0 0/12.5 8.3/0 0/0 0/0 9.0/0
E29 0/0 0/0 0/0 9.0/0 0/0 0/0 9.0/0 0/0 0/0
E30 0/0 0/20.0 11.1/0 9.0/20.0 7.1/0 0/25.0 0/0 0/0 0/0
E33 0/0 0/0 0/0 0/0 0/12.5 8.3/0 0/0 12.5/0 0/0
CB 0/16.6 30.0/20.0 22.2/0 9.0/0 14.3/12.5 25.0/0 9.0/25.0 25.0/0 18.2/25.0
PV 16.6/0 20.0/20.0 22.2/0 18.18/20.0 21.4/25.0 16.6/25.0 27.3/0 12.5/0 36.4/25.0
UT 25.5/33.3 10/0 11.1/40.0 36.3/20 35.7/12.5 8.3/25.0 45.5/0 50.0/75.0 36.4/50.0
  1. N/N Total no. of Enteroviruses isolated from clinical/ sewage samples, E Echovirus, PV Poliovirus, CBV Coxsackie B virus, UT Untyped virus