Table 1.

Serotype determination of isolates from Oaxaca (2005–2006) and Veracruz (2006).

SEROTYPE	DIAGNOSIS	OAXACA	VERACRUZ
1	DHF	6	2
	DF	0	8
2	DHF	12	15
	DF	6	29
3	DF	3	4
4	DF	0	2
1,2	DHF	0	1