An infection in which the virus is continually present in the body is referred to as:

• A. Acute.
• B. Balanced.
• C. Determinant.
• D. Persistent.

Answer: (D)

Verified step by step guidance

1. Step 1: Understand the terminology related to viral infections. An acute infection is one where the virus causes symptoms quickly and is then cleared from the body.
2. Step 2: Recognize that a persistent infection is one in which the virus remains in the body for a long period, often for the lifetime of the host, either continuously or intermittently.
3. Step 3: Differentiate persistent infections from other types such as balanced or determinant, which are not standard terms used to describe viral infection types.
4. Step 4: Recall that persistent infections can be latent (virus is present but inactive) or chronic (virus is actively replicating at low levels).
5. Step 5: Conclude that the term describing an infection where the virus is continually present in the body is 'persistent.'