Answer:
Ongoing surveillance, warning system, clinical expertise, knowledge of history of disease and collaboration with the public
Step-by-step explanation:
Preventing epidemics and the spread of disease is only properly done with the combination of following:
1. Ongoing surveillance - Doctors must always be at alert and report first signs of potential epidemic
2. Warning system - Warning system must be effective in order to alert as many people as fast as possible
3. Clinical expertise - Doctors must always be up to date with new and updated diseases in order to find the cure, and to recognize the symptoms
4. Knowledge of history of disease - Doctors must know the entire history of disease from the moment of its outbreak
5. Collaboration with the public - Collaboration is the main thing in order to avoid mass panic