But if we have participated in this training session, we would know that one tube is to collect the blood, and the other tube is for mixing the blood with the buffer and transferring the mix into the well ... if we have one test for detection of only one infection then it is not confusing [but in this kit] there are multiple materials with different functions (Boeung Run HC, Malaria/CRP Duo, FGD with seven participants). Here, CRP is linked to infection.