Previous health care provider updates can be found here


Updated COVID-19 Guidance

Increasing Booster Dose Vaccination for Immunocompromised Individuals

As you know, individuals who are moderately to severely immunocompromised may have an inadequate immune response after only two doses of the COVID-19 vaccine and are at higher risk of serious complications from COVID-19. The Ministry of Health is asking for your help to reach this population to ensure that they are aware of the current recommendations. Please read the full Memo from the ACMOH: Increasing Booster Dose Vaccination for Immunocompromised Individuals (May 27).

In addition, please review the information sheet on third dose and booster doses of COVID-19 vaccines for eligible individuals who are moderately to severely immunocompromised (May 27).


The Canadian Public Health Association has published information on long acting monoclonal antibodies (COVID-19 pre-exposure prophylaxis). This webpage includes educational resources for health professionals, eligible patients, and a general FAQ.
Ontario Health has released guidance documents for health care providers who may be prescribing or administering the COVID-19 therapy Evusheld.


Eligibility for HPV Vaccine


Updated CMOH Order for Severe Acute Hepatitis in Children

  • Section the 77.6 Order, requiring all public hospitals to report cases of severe acute hepatitis of unknown origin in children, has been revised.
  • Read the CMOH memo here: English or French
  • Read the Order here: English or French


Updates on Monkeypox

There is currently one reported case of Monkeypox in Ontario. Health care providers are urged to be extra vigilant and closely watch for patients with any symptoms of Monkeypox, even atypical presentation, regardless of whether they have reported travel.

New and updated resources: Check for the most up to date information.


Ontario Lyme Disease Map 2022: Estimated Risk Areas

Public Health Ontario has released the 2022 map of estimated risk areas for Lyme Disease. The map provides clinicians with background information on estimated risk areas when considering potential exposures to blacklegged tick (Ixodes scapularis) bites. This can help with decisions to pursue testing, prophylaxis and/or treatment.

Despite these estimated risk areas, it is important to note there is a possibility of encountering an infective blacklegged tick almost anywhere in Ontario.

View the map here.


WEBINAR: Enhancing Harm Reduction Education for Service Providers

June 14, 2022
1:00pm EST
  • There is growing demand for harm reduction training and education for service providers who work with people who use drugs.
  • This webinar will explore how organizations can build harm reduction knowledge and capacity among their workers and with their community partners.
  • CATIE will share their new Harm Reduction Fundamentals toolkit and how it can be used by frontline organizations, along with examples of how organizations are training their workers and community partners.
  • Discussion around the role of education in capacity building for organizations that provide services for people who use drugs. 
Register here


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Thunder Bay District Health Unit · 999 Balmoral Street · Thunder Bay, On P7B 6E7 · Canada