Why does the CDC put 13 to 17 in the same category as 18 to 24 and not in a separate category?
https://www.cdc.gov/hiv/media/images/2024/09/cdc-hiv-gay-bisexual-men-2024_dfe-05.png
https://www.cdc.gov/hiv/data-research/facts-stats/gay-bisexual-men.html