New coronavirus restrictions in France could cause problems for non-French teams competing in the country in 2022 - including the England rugby team and Chelsea.
France president Emmanuel Macron announced that full, double-vaccinations will be mandatory for professional sports people in the country from January 15 under new Covid rules.
With Eddie Jones' England side set to play France in Paris in the final round of the 2022 Six Nations on March 19, the new rules could see unvaccinated players unable to play.
It is unknown how many England players are not vaccinated but centre Henry Slade, who has Type 1 diabetes.