Women’s defending World Cup champion Franziska Preuss is a doubt for the Hochfilzen races starting on Friday after a coronavirus infection was confirmed. Team-mate Selina Grotian is also facing a race to be fit for the Austrian event after both suffered illnesses at the season-opening meet in Sweden’s Östersund last week. “The final decision will only be made in the next day or two, as both athletes fell ill in Östersund and we cannot yet say with 100% certainty whether they will be fit to compete,” sporting director Felix Bitterling said in a statement on Tuesday. News of Preuss’ coronavirus …