Infection with HDV usually exacerbates the symptoms caused by HBV infection. Occupational Infections Hepatitis B has been one of the most frequently occurring laboratory-associated infections, and laboratory workers are recognized as a high-risk group for acquiring such infections.
The complete predicate includes the verb and all the words that tell what happened in the sentence. Every word in the sentence belongs either in the complete subject or complete predicate. Carlo | wrote a letter to his uncle. My neighbor's dog | barked all night.
While a subject tells us who or what performs an action, a predicate tells what that action is. A predicate can be just a verb or verb phrase, in which case it is called a simple predicate. A predicate can also be a verb or verb phrase plus all the words that give more information about it.