Previous health care provider updates can be found here


COVID-19 Updated Guidance


Routine Immunizations

Routine Immunization Catch-up– Grades 7 through 12

Some students may be missing routine publicly funded vaccines due to limited school-based clinics during the COVID-19 pandemic (2019-20, 2020-21 and 2021-22 school years)
  Please see the Publicly Funded Immunization Schedules for Ontario (January 2021) as well as Guidance for Routine Immunization Services during COVID-19 for more information on publicly funded vaccines and expanded eligibility.

Routine Immunizations Catch-Up Options – Thunder Bay 

Students who were in Grade 7-12 during the 2019/2020, 2020/2021 and 2021/2022 school years are encouraged to receive any routine immunizations they have missed due to interrupted routine school immunization services in the last 3 years.
Students or family members in Thunder Bay who need to catch up on missed routine immunizations can make an appointment to receive the missing vaccines at TBDHU’s CLE Coliseum Clinic or with their health care provider. TBDHU is also offering school based routine immunization clinics in collaboration with elementary and high schools. 
Families interested in attending the CLE Coliseum Clinic can call 625-5900; TBDHU nurses will assess records and make the appointment.
The majority of Grade 7 and 8 students were offered a first dose of the Grade 7 vaccines in the fall of 2021. Those schools not reached will be offered a clinic in March and the dates are available at
High schools clinics will be offered prior to the end of this school year; once established, dates will be available at


Routine Immunizations Catch-Up Options – District

Individuals needing to catch up on missed routine immunizations can either visit their health care provider or wait for a school-based clinic.
A schedule for school-based clinics will be posted at TBDHU.COM/schoolimmunizations once available. High schools will begin in April and the Grade 7 and 8 clinics will be held in May.


Submitting Immunization Records to TBDHU

Please report all immunizations for children 0-18 years by using the Immunization of Children (Ages 0-18 years) Report Form (IMT-911).
Patient families can also submit their records using Immunization Connect Ontario (ICON)’s records.


Special Populations and COVID-19 Vaccine – Pregnant Individuals and Moderately/Severely Immunocompromised

TBDHU would appreciate your support as TBDHU works towards increasing coverage rates in these two priority populations.
Pregnant Individuals
Information and resources can be found at TBDHU.COM/pregnancy breastfeeding, including links to: An upcoming webinar is available through the Public Health Agency of Canada (PHAC):

COVID-19 Vaccine Confidence Before, During and After Pregnancy: Strategies for Health Care Providers; Thursday, March 17 from 3:30-4:30pm in English.
Register Here. The webinar will be recorded and made available on the CANVax website.

Moderately/Severely Immunocompromised
  • A three dose primary series is recommended for certain groups of individuals, ages 5 and older, who meet certain criteria based on a medical condition, treatment or medication.
  • These individuals are also eligible for a booster (fourth dose).
  • Please see pages 6 through 12 of the COVID-19 Vaccine Third Dose Recommendations guidance document for specific criteria.
  • TBDHU requests your support to inform eligible patients of the importance of the completion of a three dose COVID-19 vaccine series as well as a booster dose for optimal protection against COVID-19.
    • Eligible individuals can access their third or fourth dose of COVID-19 vaccine anywhere it is available, including the Coliseum as a walk-in, by presenting a referral form, prescription or other documentation from a health care provider confirming eligibility. If you require a copy of the referral form, please call 625-5900 or sent a request to
  • See the PHAC/CanVax recorded webinar (10 minutes) for more information on identifying eligible patients (as per NACI recommendation) as well as discussing with patients the need and potential impact of an additional dose on their level of protection


Medicago Covifenz COVID-19 Vaccine

Health Canada has recently approved the Medicago Covifenz COVID-19 vaccine for ages 18-64. NACI is expected to provide guidance on the use of this vaccine in the coming weeks. Ontario will be developing guidance on the administration of Covifenz in the near future.
COVIFENZ Product Monograph | February 24, 2022


WEBINAR: Motivational Interviewing Vaccine Hesitant Patients

CANVax will be hosting a webinar titled “How to use motivational interviewing in conversations with patients who are vaccine hesitant”.
Participants will learn to:
  • Understand the principles of motivational interviewing 
  • Understand how to integrate motivational interviewing into their daily practice and in their conversations with patients who are vaccine hesitant.
Thursday, March 10, 2022; 1:00pm – 2:00pm
Register Here


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