Acknowledgements
The authors thank DIA.PRO, Diagnostic Bioprobes Srl, for donating the HEV ELISA kits for this research. The authors wish also to thank Alessandra Mattei for secretarial help and Patrizia Cocco and Fernando Costa for technical work. Marco Mirra, Massimiliano Di Gregorio, Stefano Lucattini and Luca Fucili provided IT support.
Disclosure statement
Stefano Vella has received honoraria from ViiV, Gilead and Merck for scientific board membership. The remaining authors have no conflict to declare.