In London, as of January 15, 2026, Chelsea Football Club has been facing a challenge with a virus affecting both players and staff members, prompting head coach Liam Rosenior to take action. The virus has sidelined notable players Liam Delap and Jamie Gittens, who were unable to train ahead of a crucial Premier League match against Brentford scheduled for January 17. The illness has already impacted the team’s recent performances, including a disappointing 3-2 loss to Arsenal in the first leg of the Carabao Cup semi-final. Liam Rosenior, newly appointed as Chelsea's head coach, emphasized the importance of containing the illness to ensure that the squad remains healthy as they head into a busy period of fixtures. He mentioned that the club's doctors are actively monitoring the situation while encouraging players to adhere to basic hygiene protocols, like frequent hand washing. In light of the ongoing health concerns, the coaching staff is in close communication with players to monitor their fitness and readiness for the upcoming match. In addition to Delap and Gittens' absence, Rosenior noted that key players Reece James and Cole Palmer are progressing with their recovery from recent injuries. Their potential return to the squad would be a significant boost for Chelsea, who are struggling to regain form, currently with only one victory in their last nine Premier League matches. Rosenior remains optimistic that both players will be available for selection after assessing their training performances. As the team prepares for the match against Brentford, there is added pressure on Rosenior and the players to perform and reverse the club's recent fortunes. The new head coach reiterated that every player will need to earn their place in the team through dedication and performance, highlighting the competitive nature of the squad. He recognizes that having an effective and ready squad during this challenging time is essential for the club's aspirations in the league.