1.
P4.088 Unprotected Casual Sexual Contact Common with Both Local and Western Partners Among Dutch Long-Term Travellers to (Sub)Tropical Countries
2.
O225: Targeted vaccination programme successful in reducing acute hepatitis B in men having sex with men in Amsterdam, The Netherlands
P3.420 Targeted Vaccination Programme Successful in Reducing Acute Hepatitis B in Men Having Sex with Men in Amsterdam, the Netherlands