England full-back Furbank was taken to hospital with abdominal pain and had appendix surgery on Saturday. Coach Steve Borthwick confirmed the player will miss the upcoming tests against Fiji on July 11 and Argentina on July 18.
Borthwick also addressed the team's discipline issues after a 45‑21 defeat in South Africa, noting that England have accumulated ten yellow cards and one red in six games this year.
Furbank is a 29-year-old full-back, plays for Northampton Saints, having risen through their academy. He plays for the England national team.