Experimental Infection of Amblyomma aureolatum Ticks with Rickettsia rickettsii oleh Marcelo B. Labruna, Maria Ogrzewalska, João F. Soares, Thiago F. Martins, Herbert S. Soares, Jonas Moraes-Filho, Fernanda A. Nieri-Bastos, Aliny P. Almeida, Adriano Pinter