Revista da Sociedade Brasileira de Medicina Tropical (Apr 1973)
The vaccination of human beings with a live avirulent strain of Trypanosoma cruzi: a new series of volunteers
Abstract
Five human volunteers were vaccinated with a live avirulent strain of Trypanosoma cruzi and followed-up for one year. Except for a few cases of questionable results presented by only one Laboratory, ali the other clinicai, parasitological and serological tests remained negative during that period.