- Case counts (2016-2025), population estimates (2016-2023), & population projections (2024-2025): Public Health Ontario.
- Query: Case counts of reportable diseases by public health unit and year. Toronto, ON: Ontario Agency for Health Protection and Promotion; extracted on March 9, 2026.
Group B Strep
Group B Streptococcal Disease
Neonatal group B streptococcal disease is caused by the bacteria group B streptococcus (also known as Streptococcus agalactiae). It can sometimes be found in the genital tract of healthy women and can be passed to the baby during childbirth. It can cause sepsis (blood poisoning), pneumonia, and sometimes meningitis in newborn infants.
Local Information
2025 Statistics
Incidence rate is the number of new cases of disease divided by the number of persons at risk for the disease during a particular time period.
Cases:
0*
Incidence rate per 100,000 in 2025: 0
*Includes confirmed cases in 2025.
Incidence rate per 100,000 of group B streptococcus disease, neonatal by year

More information about group B streptococcal disease
North Bay Parry Sound District Health Unit
Report to the Health Unit within one business day by fax (705-482-0670) or phone at 705-474-1400 or toll free at 1-800-563-2808, ext. 5229 if Group B Streptococcal disease in a newborn up to 28 days after birth is suspected or confirmed as per Ontario Regulation 135/18 and amendments under the Health Protection and Promotion Act, R.S.O., c.H.7.
Should one go to childcare, school, or work if they have group B streptococcal disease?
No exclusion necessary as other people who live with someone who has these bacteria, including other children, are not at risk of getting sick. There is no evidence that the bacteria can spread through food, water, or other things that people might have come into contact with.
Follow the direction of your healthcare provider, public health case manager or occupational health at your workplace.
Contact our Communicable Disease Control (CDC) program at 705-474-1400 or toll free at 1-800-563-2808, ext. 5229, or by email to cdc@healthunit.ca for more information.
Last updated: Apr 2026, by CDC