Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Reportable Diseases of Public Health Significance
The following list of diseases must be reported to Public Health when suspected or confirmed by laboratory testing, in accordance with Ontario's Health Protection and Promotion Act.
Diseases marked with an asterisk (*) and all respiratory and gastroenteritis outbreaks in institutions and public hospitals should be immediately reported to Region of Waterloo Public Health.
Other diseases should be reported by the next business day.
Reportable diseases are listed below in alphabetical order, with contact information for each disease found by expanding the row using the + sign.
For emergency after hours, weekend and holiday support call 519-575-4400.
Immediately report all gastroenteritis and respiratory infection outbreaks in institutions and public hospitals (including COVID-19 and influenza) through the online form. Sporadic community cases of COVID-19 and influenza should be faxed to 519-883-2248.
Acquired Immunodeficiency Syndrome (AIDS)
Contact the Sexual Health program by the next business day.
Phone: 519-575-4400 ext. 2314
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Carbapenemase-producing Enterobacteriaceae (CPE) colonizations and infections
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Sexual Health program by the next business day.
Phone: 519-575-4400 ext. 2314
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Clostridium difficile infection (CDI) outbreaks in public hospitals
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Creutzfeldt-Jakob Disease, all types*
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Encephalitis, post-infectious, vaccine-related, subacute sclerosing panencephalitis or unspecified
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Gastroenteritis outbreaks in high-risk settings*
Contact Health Protection and Investigation immediately using the online form.
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Sexual Health program by the next business day.
Phone: 519-575-4400 ext. 2314
Group A Streptococcal Disease, invasive*
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Group B Streptococcal Disease, neonatal
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Haemophilus Influenzae, all types, invasive*
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Hantavirus Pulmonary Syndrome*
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Hemorrhagic Fever*, including Ebola virus, Marburg virus and other viral causes
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Human Immunodeficiency Virus (HIV)
Contact the Sexual Health program by the next business day.
Phone: 519-575-4400 ext. 2314
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Online: Reporting form
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Meningitis, acute, viral or other
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Sexual Health program immediately.
Phone: 519-575-4400 ext. 2314
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Novel Influenzas (animal cases)
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Novel Influenzas (human cases)*
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Pneumococcal disease, invasive
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation immediately.
Phone: 519-575-4400
Fax: 519-883-2248
Respiratory infection outbreaks (including COVID-19, influenza) in high-risk settings*
Contact Health Protection and Investigation immediately using the online form.
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Severe acute respiratory syndrome (SARS) and Middle East Respiratory Syndrome (MERS)*
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact the Sexual Health program by the next business day.
Phone: 519-575-4400 ext. 2314
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Tuberculosis, active infection*
Contact the Infectious Disease and Tuberculosis Control Program immediately.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Tuberculosis, latent infection (positive TB skin test)
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
Contact the Infectious Disease and Tuberculosis Control Program by the next business day.
Phone: 519-575-4400 ext. 5275
Fax: 519-883-2248
Contact Health Protection and Investigation by the next business day.
Phone: 519-575-4400
Fax: 519-883-2248
