The different possible results and what they mean are illustrated in the figure and table below.

The different possible test results of a malaria RDT.

The different possible test results of a malaria RDT. 'C' is the control line; 'T1' and 'T2' are the test lines.

Malaria RDT interpretation chart.

Malaria RDT interpretation chart.

As you can see from the previous figure and table, sometimes the result can be invalid, that is, it could be incorrect.

What should you do if the test result is invalid?

Show answer

Discard the RDT cassette. Open a new cassette and repeat the test using the new cassette.