A malaria rapid diagnostic test (RDT) uses a combination of HRP2 and pLDH antigens. In which scenario would the pLDH component be positive but the HRP...

Question

A malaria rapid diagnostic test (RDT) uses a combination of HRP2 and pLDH antigens. In which scenario would the pLDH component be positive but the HRP2 component be negative?

Accepted Answer

Both C and D

Answer

Acute P. falciparum infection in the first 24 hours

Answer

Resolved P. falciparum infection treated 3 weeks ago

Answer

Current P. vivax infection

Answer

P. falciparum infection with HRP2 gene deletion

uk-dtmh MCQ (SBA): Malaria RDT Interpretation

A malaria rapid diagnostic test (RDT) uses a combination of HRP2 and pLDH antigens. In which scenario would the pLDH component be positive but the HRP2 component be negative?