Table 3.

Mean reporting time intervals from symptom onset and from diagnosis until notification (Po and Pd) for infectious disease notifications per year for shigellosis and hepatitis A virus infection

	Shigellosis						Hepatitis A virus infection
	Po (days )	95% CI	n	Pd (days)	95% CI	n	Po (days)	95% CI	n	Pd (days)	95% CI	n
2003	21.2	18.2-24.1	189	4.4	3.6-5.2	189	12.5	11.1-13.8	249	2.7	2.1-3.3	258
2004	21.7	18.9-24.6	336	4.5	3.8-5.1	339	14.5	12.3-16.6	420	3.8	2.4-5.1	439
2005	20.0	17.9-22.1	388	4.0	3.4-4.7	388	15.2	12.2-18.2	202	3.0	1.5-4.6	212
2006	22.2	19.0-25.4	238	3.8	3.1-4.5	239	15.1	13.2-16.9	261	2.4	1.5-3.3	277
2007	19.9	18.1-21.6	382	4.1	3.4-4.8	383	13.2	11.1-15.3	153	1.7	1.0-2.4	157
2008	21.3	18.3-24.3	372	2.9	2.5-3.2	372*	14.1	11.3-16.9	168	1.7	1.3-2.2	174

Po = period from symptom onset until notification

Pd = period from laboratory diagnosis until notification

* p < 0.05 for 2008 versus 2003 and 2004

n = number of notifications