Vaccines based on majorly abundant extracellular products of pathogens and methods for their use and production are presented. The bracket plate defines a J-shaped slot that has a mobility position in which the wheels are lowered relative to the tool stand assembly to permit the tool stand assembly to be wheeled into position. The invention provides a display device provided with a compensation function for the changes in environment temperature and a compensation function for the change with time. In another embodiment, the system includes a reader configured with a DNA scan sensor.