Embodiments disclosed herein relate to methods, devices, and computer systems thereof for automated data collection from a subject. In certain embodiments, one or more characteristics of a subject are sensed, and the subject is given a queue status indicator based on a comparison of the subject's one or more sensed characteristics with corresponding sensed characteristics from other subjects. In one embodiment, the subject is a healthcare worker and the system, methods, and devices are utilized to evaluate the overall health of the worker as part of the check-in process for work.