Combining online and offline strategies to promote Hepatitis B vaccination: 15 years of lessons learned

From the free Hepatitis B vaccination program for men who have sex with men (MSM mannen die seks hebben met mannen (mannen die seks hebben met mannen))
and sex workers (SW) in the Netherlands
Auteurs: K. Vermey, A. Urbanus, T. Stewart, W. Zuilhof & A. Meiberg