A healt process is relatively simple in theory, but in practice we see that the step between diagnosis and treatment is often full of "trial and errors".
You can think of looking for right diagnosis with the beste treatment. searching for the right diagnosis is very time-consuming, which delays the patients healing process.
In certain phases of a disease there is more need for knowledge from a system such as this symptom checker (Big data), while in other phases knowledge can be added to the system.
When we balance this process with each other, then the information is available as soon as it is necessary.