![](https://media.nbcwashington.com/2019/09/GettyImages-1074308054.jpg?quality=85&strip=all&resize=320%2C180)
Olympic swimming champion Cameron van der Burgh said he has been battling coronavirus for the last two weeks, according to NBC News.
The 31-year-old South African swimmer won gold in the 100-meter breaststroke at the 2012 London Olympics and silver in Rio four years later. He retired in 2018.
Coronavirus Pandemic Coverage
In a series of tweets Sunday, van der Burgh detailed that he had been "struggling" with COVID-19, the disease associated with the new coronavirus, for 14 days.
He disclosed his diagnosis amid growing calls for the 2020 Tokyo Olympic Games to be postponed.