A method and system for predicting the probability of sickness, the method comprising establishing a communication link between a sickness prediction application and a health tracking device having one or more measurement devices or sensors； inputting user symptoms utilizing the user device at one or more sickness timepoints； obtaining sensor or detection data from the health sensor at the sickness timepoint； generating sickness models, wherein the sickness model is a correlation of the user symptoms and the sensor data at the sickness timepoint； obtaining new sensor data from the health sensor at predetermined or other intervals； and comparing the new sensor data with the sickness model to predict the probability of the user having or developing an acute, new or recurring sickness.
