Table 3. Results of Immunofluorescence assay and RT-PCR of specimen from positive-CPE inoculated cells in 4 patients with dengue virus culture-positive respiratory specimens.

Patient number	CPE-positive cell	Test	Test Result
1	Vero cell	Respiratory virus aIFA	Negative
		Enterovirus IFA	Negative
		Dengue RT-PCR	Dengue virus type 2
2	Vero cell	Enterovirus IFA	Negative
		Dengue RT-PCR	Dengue virus type 2
3	MK2 cell	Respiratory virus IFA	Negative
		Enterovirus IFA	Negative
		Dengue RT-PCR	Dengue virus type 2
4	MK2 cell	Respiratory virus IFA	Negative
		Enterovirus IFA	Negative
		Dengue RT-PCR	Dengue virus type 1

^aIFA: Immunofluorescence assay