TABLE II. Number of paired cases of dengue observed (A) and expected (E) according the period.

Period of epidemic	A	E	p
2008
Week 47a	1,118,182	1,097,195	0.0001
2009
Week 7	107,446	107,785	0.0001
Week 8	107,446	107,785	0.0001
Week 9b	2,927,905	2,881,599	0.0001
Week 10	95,682	95,242	0.0001
Week 11	95,682	95,242	0.0001
Week 22c	569,712	566,338	0.0001

a: beginning; b: peak; c: end.