Prominent asymptomatic breakthrough cases indicate COVID vaccine works Indianapolis Colts head coach Frank Reich getting vaccinated and still testing positive but being asymptomatic, could indicate the vaccine effectiveness. Author: Rich Nye Updated: 12:01 AM EDT July 27, 2021 INDIANAPOLIS — Indianapolis Colts head coach Frank Reich tested positive for COVID-19 just before the start of training camp, even though he was fully vaccinated. Reich is the latest of several prominent, but rare breakthrough cases that included hopeful Olympic athletes, Texas state lawmakers, and new Indiana University President Pamela Whitten. Reich said he is feeling fine, but in quarantine away from the team. He could be cleared to join the team at training camp at Grand Park in Westfield as early as next week.