title: Reply.
authors.affiliation: Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland; Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, New York.
authors.forename: Viet Loan
authors.initials: VL
authors.lastname: Dao Thi
authors.affiliation: Rega Institute for Medical Research, University of Leuven, Leuven, Belgium.
authors.forename: Yannick
authors.initials: Y
authors.lastname: Debing
authors.affiliation: Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, New York.
authors.forename: Xianfang
authors.initials: X
authors.lastname: Wu
authors.affiliation: Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, New York.
authors.forename: Charles M
authors.initials: CM
authors.lastname: Rice
authors.affiliation: Rega Institute for Medical Research, University of Leuven, Leuven, Belgium.
authors.forename: Johan
authors.initials: J
authors.lastname: Neyts
authors.affiliation: Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland.
authors.forename: Darius
authors.initials: D
authors.lastname: Moradpour
authors.affiliation: Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland.
authors.forename: Jérôme
authors.initials: J
authors.lastname: Gouttenoire