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Volume 14, Number 6—June 2008


Validation of Syndromic Surveillance for Respiratory Pathogen Activity

Cees van den Wijngaard*Comments to Author , Liselotte van Asten*, Wilfrid van Pelt*, Nico J.D. Nagelkerke†, Robert Verheij‡, Albert J. de Neeling*, Arnold Dekkers*, Marianne A.B. van der Sande*, Hans van Vliet*, and Marion P.G. Koopmans*
Author affiliations: *National Institute for Public Health and the Environment, Bilthoven, the Netherlands; †United Arab Emirates University, Al-Ain, United Arab Emirates; ‡Netherlands Institute of Health Services Research, Utrecht, the Netherlands;

Main Article

Table 3

Pearson correlation coefficients between time series in respiratory pathogen counts, the Netherlands, 1999–2004*†

Pathogen S. pneumoniae RSV Influenza A Influenza B RV PIV Adenovirus Enterovirus Mycoplasma pneumoniae Bordetella pertussis
S. pneumoniae 1.00 0.35 0.51 0.36 NS 0.32 0.32 –0.44 0.21 −0.31
RSV 1.00 0.23 NS 0.30 0.13 0.21 –0.30 0.19 NS
Influenza A 1.00 0.36 NS 0.12 0.24 –0.39 0.16 −0.25
Influenza B 1.00 NS NS NS –0.30 0.25 −0.21
RV 1.00 NS 0.21 NS NS Ns
PIV 1.00 NS –0.19 NS NS
Adenovirus 1.00 –0.21 NS −0.14
Enterovirus 1.00 −0.15 0.21
M. pneumoniae 1.00 NS
B. pertussis 1.00

*S. pneumoniae, Streptococcus pneumoniae; RSV, respiratory syncytial virus; RV, rhinovirus; PIV, parainfluenza virus; NS, nonsignificant. Correlations >0.50 in boldface; p value >0.05.

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