Which condition is NOT commonly associated with joint pain in Fifth Disease?

Fifth disease, caused by parvovirus B19, primarily affects children and is also known as "slapped cheek" disease due to the rash it produces. While joint pain can occur in individuals of any age, it is most commonly reported in adults rather than in children or infants who typically have a more benign course of the illness.

In adults, the joint pain can be significant and may last longer than other symptoms. Pregnant women can also experience joint pain related to Fifth disease, particularly because the infection can have implications for pregnancy; however, joint pain as a symptom is not usual in young children or infants.

Therefore, infants are the least likely group to experience joint pain associated with Fifth disease, as their immune response and presentation of symptoms differ significantly from older children and adults. Infants usually display more typical symptoms like rashes and mild fever, and do not exhibit the joint pain that can occur in older populations. This distinction is crucial in understanding the differential presentations of Fifth Disease across different age groups.