Team USA figure skater Vincent Zhou said he was unable to be at the Winter Olympics closing ceremony on Sunday after being flagged as a COVID-19 close contact, despite testing negative for the illness more than a dozen times.

Zhou had to bow out of one event during the Games because he tested positive for coronavirus. He wrote in frustration on his Instagram over his inability to be with his team.

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Olympics Vincent Zhou

Vincent Zhou, of the United States, competes in the men's team free skate program at the 2022 Winter Olympics on Feb. 6, 2022, in Beijing. (AP Photo/David J. Phillip)

"I won’t be marching in the closing ceremony tonight. Before boarding the bus to the stadium, they flagged me as a COVID ‘close contact’ risk and would not allow me to proceed further," he wrote on his Instagram Stories.

"I have tested negative 14 times in a row. I have antibodies and am not contagious whatsoever. I am 100% healthy and normal. I am double masked and would be walking outdoors with the same people I am about to travel with in a couple hours. Out of everyone marching, I would be the least at risk of transmitting to others.

US FIGURE SKATERS' REQUEST FOR PUBLIC MEDAL CEREMONY BEFORE CLOSING CEREMONY DENIED

Vincent Zhou of Team United States

Vincent Zhou of Team United States skates during the figure skating gala exhibition at the 2022 Winter Olympics on Feb. 20, 2022 in Beijing. (Matthew Stockman/Getty Images)

"I was required to take my mask off when taking the ice for the gala earlier today with 40 other people who were also maskless, indoors. But it seems that being double masked outdoors is riskier.

"I have followed the rules and done as required with no question for as long as the rules have existed."

Zhou then thanked fans for their support and congratulated his American teammates.

Vincent Zhou of Team United States

Vincent Zhou of Team United States skates during day two of the 2022 Winter Olympics on Feb. 6, 2022, in Beijing. (Harry How/Getty Images)

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Zhou was a part of the U.S. team that finished in second place in the team figure skating event. The Americans have yet to receive their medals over an investigation into Russian Kamila Valieva’s failed drug test from December that was revealed during the Games.