New Zealand’s Zoi Sadowski-Synnott, Nico Porteous and his older brother Miguel have tested positive for COVID-19 five weeks before the start of the Beijing Winter Olympics.

1News reported that the trio had mild symptoms.

Sadowski-Synnott and Nico Porteous, both 20, won bronze medals in snowboarding and freestyle skiing respectively at the 2018 Winter Games in Pyeongchang.

The athletes were preparing for the Dec. 30-Jan. 1 World Cup events in Calgary, Canada.

The Beijing Games begin on Feb. 4.