The phrase "attributed to an agent" is correct and usable in written English.
It can be used in contexts where you are discussing the assignment of responsibility or credit for an action or outcome to a specific person or entity.
Example: "The success of the project was largely attributed to an agent who coordinated the efforts of the team."
Alternatives: "assigned to an agent" or "credited to an agent".
In independent studies in 1915 by the British investigator Frederick W. Twort and in 1917 by the French Canadian scientist Félix H. d'Hérelle, lesions in cultures of bacteria were discovered and attributed to an agent called bacteriophage ("eater of bacteria"), now known to be viruses that specifically infect bacteria.
This responsibility is then attributed to an agent or, metaphorically, to the other event or state of affairs in question (e.g. outbreak of war, high unemployment).
The feature of these accounts that most distinguishes them from coherentist accounts is the importance they attribute to an agent's ability to appreciate the reasons she has.
The revival of the investigation into the disappearance of Etan Patz, 6, in SoHo can be attributed to an F.B.I. agent who wanted to give the Patz family closure.
Several bias-prone studies of veterans with poorly characterized Agent Orange exposure reported an excess of prostate cancer, but such findings cannot reliably be attributed to an effect of Agent Orange/TCDD rather than confounding or bias.
The cause of these diseases is attributed to an unusual infectious agent called a prion.
Of the 122 cases, 34 (28%) could be attributed to a specific infectious agent; these agents were classified as definite or probable causes of the illness, based on our criteria (Table 1).
It might therefore be attributed to an auto/paracrine secretion of these agents by the breast tissue itself.
Benjamin Schenck first described the disease in 1898, and for more than a century, it was attributed to a sole etiological agent: Sporothrix schenckii.
Here, we investigated the degree to which specific microbial strains were shared among co-hospitalized infants and whether the disease could be attributed to a single infectious agent.
Recent reports state that <40% of human deaths from viral encephalitis are attributed to a specific etiologic agent in the United Kingdom (32).
