Infectious Diseases - Statistics in Niagara

Infectious diseases can be spread from one person to another, directly or indirectly, through fluid exchange, exposure to vectors, or from the environment. Niagara Region Public Health receives information about and follows up all reportable diseases as identified in Ontario Regulation 559/91 and under the Ontario Health Protection and Promotion Act.

This section contains incidence data for Niagara region related to select infectious diseases.

For more information, see infectious disease data trends in Ontario.

Direct Contact and Respiratory Infections Top of Page

Infectious diseases that can be spread by touching people or objects that have germs on them and diseases that can be spread from a sick person's cough or sneeze.

Disease Number of Cases 2018 Year-to-Date 2018 Comparison to 3-Year Average in Niagara
Jan. - March April - June July - Sept. Oct. - Dec.
Acute Flaccid Paralysis 0 0 0 0 0 ⇔
Encephalitis / Meningitis <5 5 11 9 29 ⇔
Group A Streptococcal disease, invasive 15 16 15 13 59 ⇔
Group B Streptococcal disease, neonatal 0 0 0 0 0 ⇔
Influenza A, laboratory confirmed 522 81 <5 254 859 ⇧
Influenza B, laboratory confirmed 330 62 0 <5 394 ⇔
Legionellosis <5 <5 <5 <5 9 ⇔
Meningococcal Meningitis <5 0 <5 <5 <5 ⇧
Tuberculosis, active <5 <5 <5 <5 6 ⇔

Source: Integrated Public Health Information System [2018], extracted Mar 11, 2018.

3-year average based on 2015-2017 data, rounded to nearest whole number

All reportable disease data are stored in and retrieved from the provincially mandated Integrated Public Health Information System and case definitions for reportable communicable diseases are based on the Infectious Disease Protocol of the Ontario Standards for Public Health Programs and Services.

Food, Waterborne and Enteric Infections Top of Page

Infectious diseases that can be spread by eating or drinking contaminated food or water and not cleaning your hands.

Disease Number of Cases 2018 Year-to-Date 2018 Comparison to 3-Year Average in Niagara
Jan. - March April - June July - Sept. Oct. - Dec.
Amebiasis <5 <5 <5 <5 8 ⇔
Campylobacter Enteritis 21 39 47 31 138 ⇔
Cryptosporidiosis <5 <5 18 <5 27 ⇔
Cyclosporiasis 0 8 <5 <5 11 ⇔
Giardiasis 10 11 13 11 45 ⇔
Hepatitis A 0 0 <5 0 <5 ⇔
Listeriosis 0 <5 <5 <5 <5 ⇔
Paratyphoid Fever 0 0 <5 0 <5 ⇔
Salmonellosis 33 15 25 16 89 ⇔
Shigellosis 0 <5 <5 <5 5 ⇔
Typhoid fever <5 0 0 0 <5 ⇔
Trichinosis 0 0 0 0 0 ⇔
Verotoxin-Producing E. coli Including HUS) 0 <5 <5 <5 5 ⇔
Yersiniosis <5 <5 <5 0 9 ⇔

Source: Integrated Public Health Information System [2018], extracted Mar 11, 2018.

3-year average based on 2015-2017 data, rounded to nearest whole number

All reportable disease data are stored in and retrieved from the provincially mandated Integrated Public Health Information System and case definitions for reportable communicable diseases are based on the Infectious Disease Protocol of the Ontario Standards for Public Health Programs and Services.

Sexually Transmitted and Blood-borne Infections Top of Page

Infections that can be spread through sexual contact and exposure to infected fluids i.e., semen, vaginal fluid, blood.

Disease Number of Cases 2018 Year-to-Date 2018 Comparison to 3-Year Average in Niagara
Jan. - March April - June July - Sept. Oct. - Dec.
AIDS <5 0 0 0 <5 ⇔
HIV 5 <5 <5 <5 13 ⇔
Chlamydia 429 336 390 485 1640 ⇔
Gonorrhea 39 65 89 103 296 ⇧
Hepatitis C 66 54 54 47 221 ⇔
Syphilis 15 <5 7 <5 29 ⇔

Source: Integrated Public Health Information System [2018], extracted Mar 11, 2018.

3-year average based on 2015-2017 data, rounded to nearest whole number

All reportable disease data are stored in and retrieved from the provincially mandated Integrated Public Health Information System and case definitions for reportable communicable diseases are based on the Infectious Disease Protocol of the Ontario Standards for Public Health Programs and Services.

Vaccine Preventable Infections Top of Page

Infectious diseases that can be controlled and/or avoided by getting recommended immunizations.

Disease Number of Cases 2018 Year-to-Date 2018 Comparison to 3-Year Average in Niagara
Jan. - March April - June July - Sept. Oct. - Dec.
Hepatitis B 0 <5 0 0 <5 ⇔
Diphtheria 0 0 0 0 0 ⇔
Chickenpox (Varicella) 0 0 <5 0 <5 ⇔
Measles 0 0 0 0 0 ⇔
Mumps 0 0 <5 0 <5 ⇔
Pertussis (Whooping Cough) 0 0 <5 0 <5 ⇔
Rubella 0 0 0 0 0 ⇔
Streptococcus pneumoniae, Invasive 20 18 6 10 54 ⇔
Tetanus 0 0 0 0 0 ⇔

Source: Integrated Public Health Information System [2018], extracted Mar 11, 2018.

3-year average based on 2015-2017 data, rounded to nearest whole number

All reportable disease data are stored in and retrieved from the provincially mandated Integrated Public Health Information System and case definitions for reportable communicable diseases are based on the Infectious Disease Protocol of the Ontario Standards for Public Health Programs and Services.

Vectorborne and Zoonotic Infections Top of Page

Infectious diseases that can be spread from infected insects or animals.

Disease Number of Cases 2018 Year-to-Date 2018 Comparison to 3-Year Average in Niagara
Jan. - March April - June July - Sept. Oct. - Dec.
Brucellosis 0 0 0 <5 <5 ⇧
Lyme 0 5 <5 <5 10 ⇔
West Nile Virus 0 0 8 <5 9 ⇔

Source: Integrated Public Health Information System [2018], extracted Mar 11, 2018.

3-year average based on 2015-2017 data, rounded to nearest whole number

All reportable disease data are stored in and retrieved from the provincially mandated Integrated Public Health Information System and case definitions for reportable communicable diseases are based on the Infectious Disease Protocol of the Ontario Standards for Public Health Programs and Services.

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