Which type of infection does not have a medicinal treatment?

MRSA is a staph bacterium that certain antibiotics in the penicillin family should be able to treat, but cannot. When the infection is resistant to the medication, it is called resistance. However, other non-penicillin antibiotics can effectively treat most MRSA infections.

An epidemic is a large and localized outbreak of a sickness or disease.  a pandemic is a large global outbreak of a sickness or disease. 

True, using a pedometer can promote a physically active lifestyle.