Texts and literature in epidemiology often make use of jargon related to 'epidemiological methods' without reference to their actual definition.

To ensure that all estimates and projections were derived on the basis of objective epidemiological and demographic methods, which were not influenced by advocates.

The Study design for epidemiological methods may be of three kinds:

The study of cancer epidemiology uses epidemiological methods to find the cause of cancer and to identify and develop improved treatments.

Academics were encouraging use of epidemiological methods in health care management for quality improvement and planning before the term 'managerial epidemiology' was coined.

Encourage the development of epidemiological methods and improvement in these methods.

Promote the communication of epidemiological methods and findings amongst epidemiologists throughout the world as well as amongst all others concerned with health.

The epidemiological methods that he pioneered were selected by WHO for international studies and his studies have contributed significantly to international policy formation.

Cholera was one of the earliest infections to be studied by epidemiological methods.

So, in short, you need epidemiological methods and statistics, with all their shortcomings.