Vuelta a Costa Rica winner among 12 riders to test positive in 2017 edition

The doping control van is hard to miss.

The doping control van is hard to miss. (Image credit: www.ispaphoto.com)

The UCI announced Wednesday that 12 riders were notified of an Adverse Analytical Finding (AAF) for samples collected on December 22, 2017 during the Vuelta Ciclista Internacional a Costa Rica.