Dear Zeledo/Rojas We have some kala-azar sera, but no CL sera. How should they be sent, frozen, freeze-dried or with glycerol? And how many? As for the costs, dont worry, we can cover them locally. Reynaldo Dietze may have the LC sera, he is on Leish-L. Yours, Paulo Andrade Depto. Genetica Universidade Federal de Pernambuco RECIFE Brazil