1. An apparatus comprising: an array of objective lens components, wherein each of said objective lens component of the array of the objective lens components is configured to provide an image of a portion of a sample comprising cells and one or more infectious agents; an array of cameras, wherein each camera of said array of the cameras is configured to receive a corresponding image of a corresponding portion of the sample from a corresponding objective lens component of the array of the objective lens component and to provide an image signal in response to said corresponding image, wherein all image signals are provided simultaneously by said array of the cameras; and an image processor, responsive to said all image signals provided by said plurality of the cameras, configured to patch said all image signals to provide a composed image signal of said sample, and further configured to generate from said composed image signal one or more signals indicative of corresponding one or more detected infectious agents of said one or more infectious agents.