ACC Liverpool will host the 42nd European Cystic Fibrosis Conference in June 2019.
The major international medical conference will attract more than 3,000 scientific and clinical professionals from around the world.
The European Cystic Fibrosis Society is an international community of scientific and clinical professionals who work to promote high-quality research, education and care.
Professor of child health at the University of Liverpool and Alder Hey Children’s Hospital's Kevin Southern, helped bring the event to Liverpool.
Southern said: "Liverpool is world-renowned for its well-established clinics and its health professionals who provide care for children and adults with cystic fibrosis.
"We have spent many years, working closely with the destination and with ACC Liverpool, to bring this major event to the city."
It will be the fourth time the event has been held in England, with the founding meeting of the European Working Group for Cystic Fibrosis held in Cambridge in 1969.
The latest confirmation comes after ACC Liverpool announced it has secured international conferences over the next two years which worth £15 million in economic impact.
For more features and breaking news sign up to C&IT Magazine's daily Newstracker here.