I see that trials of a new pitchside test for concussion have finished are are now full steam ahead for introduction. The doctors say before the WC they will be in place. It is a saliva test and is ultra accurate. Takes only a few minutes and removes the need for the traditional HIA during the game, and replaces the 6 day protocols. It was announced on Radio 4 this morning on the Today program, at around 8:30AM.
Been approved by the RFU and the roundball authorities. The work was not sponsored, but instead paid for entirely by a charity, so no vested interests to fiddle the results.