Before that, Dr Sprenger was Director of Health at the Netherland ’s Healthcare Insurance Board (CVZ) (1999-2003), and Head of the Centre for Infectious Disease Epidemiology at RIVM (1993-1999).
Enne seda oli dr Sprenger Madalmaade haigekassa (CVZ) tervisedirektor (1999–2003) ning RIVM-i nakkushaiguste epidemioloogiakeskuse juhataja (1993–1999).