Table 3. Results of testing human VL sera from Bangladesh on K28-LF and Kalazar Detect RDTs.

Bangladesh Sera	% Sensitivity	95% Confidence Interval	% Specificity	95% Confidence Interval
K28-LF*	98.1	89.93–99.95%	92.5	79.61–98.43%
Kalazar Detect*	88.7	76.97–95.73%	100	91.19–100.0%
No. of Sera Tested	53		40

*K28-LF is manufactured by Ease-Medtrend and the Kalazar Detect test is manufactured by Inbios International, Inc. All VL patient sera were confirmed by splenic aspirates. Sera from healthy endemic individuals were used as controls for specificity testing.