Vaccines
YFV
The following vaccines were used in the trial: Stamaril (Sanofi), live, attenuated YFV 17D strain produced in pathogen-free chick embryo cells, 0.5 ml, not less than 1,000 IU. The vaccine was provided in freeze dried powder form and reconstituted with provided saline solution and was administered subcutaneously. IXIARO (Valneva), inactivated, alum-adjuvanted, Vero cell-derived vaccine based on JEV strain SA