Letters Surveillance of Haemophilus influenzae infection BMJ 2001; 322 doi: https://doi.org/10.1136/bmj.322.7286.613/b (Published 10 March 2001) Cite this as: BMJ 2001;322:613 Article Related content Metrics Responses Peer review Related articles Paper Decrease in effectiveness of routine surveillance of Haemophilus influenzae disease after introduction of conjugate vaccine: comparison of routine reporting with active surveillance system Published: 23 September 2000; BMJ 321 doi:10.1136/bmj.321.7263.731 See more Constitutional symptoms in a young person BMJ December 07, 2016, 355 i5781; DOI: https://doi.org/10.1136/bmj.i5781 An adolescent with disabling abdominal pain BMJ December 07, 2016, 355 i6101; DOI: https://doi.org/10.1136/bmj.i6101 Andrew Wakefield calls Trump “on our side” over vaccines after meeting BMJ December 05, 2016, 355 i6545; DOI: https://doi.org/10.1136/bmj.i6545 Doctors in Pakistan call for workers deported from the UAE to be screened for HIV BMJ December 05, 2016, 355 i6544; DOI: https://doi.org/10.1136/bmj.i6544 Communicating risk to patients in the emergency department BMJ December 05, 2016, 355 i6437; DOI: https://doi.org/10.1136/bmj.i6437