**4. Factors affecting the mental health impact of post-COVID fatigue**

The mental health impact of post-COVID fatigue is typically a co-existing component of fatigue. However, contributing factors responsible for their onset or aggravation exists [7]. They include:


component of post-COVID fatigue [7]. In addition, an initial mental orientation about COVID-19, resulting in individuals' experiencing anxiety and distress can lead to and aggravate the levels of fatigue [25]. In such cases, pre-existing medical conditions should also be considered as primary or supplementary causes of the mental effects of fatigue. Conditions such as cardiovascular diseases, diabetes, and chronic kidney disease may cause these populations to be affected by the persistent effects of fatigue in comparison to people with no co-morbid conditions [7].
