Introductory Chapter: The Significance of *Toxoplasma gondii* in Humans, and in Domestic and Wild Animals

*Saeed El-Ashram, Gungor Cagdas Dincel, Mohammed Hamdy Farouk, Abdulaziz Alouffi, Hany M.R. Abdel-Latif, Shagufta Iqbal, Guillermo Tellez-Isaias, Billy M. Hargis, Víctor Manuel Petrone-García, Gabriela Aguilar-Tipacamú and Inkar Castellanos-Huerta*
