Understanding the epidemic in this group well help to appropriately target early intervention strategies; however, it is important that caution be used when reviewing proportions by age group, as they can change considerably with the addition of only a few cases, particularly when total numbers are small, such as with youth (less than 30 years). ###>La compréhension de l'épidémie au sein de ce groupe aidera à déterminer des stratégies d'intervention appropriées.