Surveillance of respiratory pathogens and influenza-like illnesses in general practices - The Netherlands, winter 1997-98.

@article{Heijnen1999SurveillanceOR,
  title={Surveillance of respiratory pathogens and influenza-like illnesses in general practices - The Netherlands, winter 1997-98.},
  author={M.L.A. Heijnen and J. Wendelien Dorigo-Zetsma and A J Bartelds and Berry Wilbrink and M Sprenger},
  journal={Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin},
  year={1999},
  volume={4 7},
  pages={81-84}
}
The Netherlands Institute of Primary Health Care (NIVEL) has coordinated the activities of a sentinel surveillance network of 43 general practices since 1970. These practices care for 1% of the Dutch population, a sample representative of the national pop