The lymphocyte transformation test for the diagnosis of Lyme borreliosis has currently not been shown to be clinically useful. (6th March 2014) - Dessau, R. B.; Fingerle, V.; Gray, J.; Hunfeld, K.‐P.; Jaulhac, B.; Kahl, O.; Kristoferitsch, W.; Stanek, G.; Strle, F.