| Level-3 (Gold standard) | Level-2 (EDS ≥ 0.51) | Level-1 (EDS ≤ 0.50) | |
Enteric Fever | Culture | High accuracy RDTK, Widal Slide + Widal Tube | Widal slide OR tube singly | |
Hepatitis B | ELISA | Hep B RDTK | Not available | |
Hepatitis A and E | ELISA | Hep A and E rapid kits or combo kit—both tests available in the lab | Not available | |
Dengue | PCR, ELISA | Both NS1/IgM RDTK | NS1 alone OR Any non-dual rapid kit | |