Which of the following is NOT a common result from a throat culture?

A throat culture is primarily used to identify the presence of specific bacterial pathogens, mainly to diagnose conditions like strep throat. The most common result of a throat culture is the growth of Streptococcus Group A, which is responsible for many throat infections.

A throat culture can also yield negative results for bacterial growth, indicating that no significant bacteria were present that could cause an infection. Additionally, non-pathogenic bacteria may be present as part of the normal flora of the throat, which is also a potential result of a throat culture since it does not solely target harmful pathogens.

In contrast, the growth of viral agents is not something typically reported in standard throat cultures. These cultures are specifically designed to identify bacterial infections rather than viral infections, which require different testing methods, such as viral swabs or serological tests. Thus, the presence of viral agents is not a common result from a throat culture, making it the correct answer to this question.