Table 2. Pearson correlation coefficients between time series of syndromes and laboratory pathogen counts, the Netherlands, 1999–2004*†.

Pathogen	Hospital	GP	Mortality	Pharmacy	Laboratory submissions	Absenteeism
RSV	0.74	0.67	0.41	0.58	0.53	0.47
Influenza A	0.57	0.61	0.65	0.60	0.47	0.35
Influenza B	0.31	0.39	0.50	0.42	0.34	0.33
Streptococcus pneumoniae	0.73	0.71	0.56	0.75	0.58	0.69
Rhinovirus	0.33	0.34	0.33	0.33	NS	0.35
Parainfluenza	0.20	NS	NS	NS	0.25	NS
Adenovirus	0.37	0.35	0.33	0.36	NS	0.34
Enterovirus	−0.65	−0.66	−0.59	−0.61	−0.57	−0.51
Mycoplasma pneumoniae	0.13	0.27	0.25	0.39	0.32	0.26
Bordetella pertussis	NS	NS	NS	NS	NS	NS

*GP, general practice; RSV, respiratory syncytial virus; NS, nonsignificant. Correlations >0.50 in boldface; p>0.05.
†Unlagged.