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Four U.S. Winter Olympic athletes have been placed in quarantine after being exposed to someone who has been diagnosed with the coronavirus.
Jonathan Finnoff, the U.S. Olympic and Paralympic Committee's chief medical officer, told reporters that one of the athletes subsequently developed symptoms and has been tested for the virus.
The chief medical officer also offered an update on the current situation: "We have a lot of procedures and guidelines in place. We've been working with local, state and federal officials in order to develop policies and procedures that we will follow if somebody does test positive for COVID-19.