It studies the relationships of various factors determining the frequency and distribution of diseases in a community .
Experimental epidemiology is a type of epidemiological investigation that uses an experimental model to confirm a causal relationship suggested by observational studies .
epidemiology studies the relationships of various factors determining the frequency and distribution of diseases in a community .
Experimental epidemiology is a type of epidemiological investigation that uses an experimental model to confirm a causal relationship suggested by observational studies .