 This paper is concerned with a family of Reaction-Diffusion systems  introduced in [ 17 ] that aims at unifying, generalizing, and enlarging the fields of application for epidemiologyand collective behavior models .
<clarity>  This paper is concerned with a family of Reaction-Diffusion systems  introduced in [ 17 ] that aims at unifying, generalizing, and enlarging the fields of application for epidemiologyand collective behavior models .
 This paper is concerned with a family of Reaction-Diffusion systems that we introduced in [ 17 ] that aims at unifying, generalizing, and enlarging the fields of application for epidemiologyand collective behavior models .