**Core Concept**
An adverse event following immunization (AEFI) is any untoward or unfavorable symptom, sign, or disease that occurs following administration of a vaccine, whether or not it is suspected to be related to the vaccine. AEFI can be classified into two main categories: vaccine-related and non-vaccine related.

**Why the Correct Answer is Right**
In this scenario, the symptoms of dizziness are not a result of the vaccine itself but rather due to anxiety or pain of the injection. This indicates that the adverse event is not vaccine-related. To determine the type of AEFI, we need to consider the relationship between the vaccine and the adverse event. If the adverse event is caused by the vaccine, it is vaccine-related, but if it is caused by factors unrelated to the vaccine, such as anxiety or pain of the injection, it is non-vaccine related.

**Why Each Wrong Option is Incorrect**
**Option A:** Vaccine-related AEFI would imply that the symptoms of dizziness were caused by the vaccine itself, which is not the case here.
**Option C:** Non-specific AEFI is an outdated term and not commonly used in modern immunization practices. It does not accurately describe the situation.

**Clinical Pearl / High-Yield Fact**
It's essential to investigate and differentiate between vaccine-related and non-vaccine related AEFI to ensure accurate reporting and to provide appropriate care to the affected individual.

**Correct Answer: D. Non-vaccine related AEFI. Non-vaccine related AEFI.**