A range of safeguards will be introduced including the HIA being a feature of Top League from next season.
Kenya run up a record score against Zimbabwe to reach an all-time high in the World Rugby Rankings on a weekend when Africa’s RWC 2019 qualification process kicked off with a convincing win for Morocco.
Morocco host Nigeria and Mauritius as RWC 2019 qualification gets underway in Africa this weekend.
Thirteen RWC 2019 matches, including all Ireland games and all knock-outs, will also feature on free-to-air TV in a deal that includes broadcasting Women's Rugby World Cup 2017, U20 Championship 2017-19 and Rugby World Cup Sevens 2018.
Mexico keep their RWC 2019 dreams alive and move up one place in the World Rugby Rankings, while Tunisia and Namibia are victorious in the weekend’s Africa Cup action.
World Rugby has completed its first official Rugby World Cup 2019 tournament review of the year, endorsing hosting preparation and progress.
From Tokyo to Hokkaido, find out the venues for RWC 2019 in Japan.