[Well protected on vacation. East of the Oder and south of Alps threaten hepatitis A and polio].
D003906:Developing Countries; D005858:Germany; D022362:Hepatitis A Vaccines / Q000008:administration & dosage*; D006801:Humans; D023321:Poliovirus Vaccines / Q000008:administration & dosage*; D014195:Travel; D014611:Vaccination / Q000379:methods*
D022362:Hepatitis A Vaccines; D023321:Poliovirus Vaccines