It is ordered when patient complains of following symptoms -
Dengue Test is usually ordered on day 1 of fever or can be ordered within week as different antibodies rise at different time.
NS1 - The non-structural protein 1 (NS1) of the dengue viral genome has been shown to be useful as a tool for the diagnosis of acute dengue infections. It rises from day 1 of the infection.
IgM - Its titre increase 7 to 10 days after the infection.
IgG - Its titre increase 14 to 21 days after the infection.
|Positive||Negative||Recent primary infection|
|Positive||Positive||Recent secondary infection|
|Negative||Positive||Recent secondary infection|
|Negative||Negative||No recent infection|
NS1 antigen test comes positive from day 1 of infection.