For more information, please visit the Thunder Bay & District Public Health Unit’s website: https://www.tbdhu.com/schoolimmunizations. You can also call the Marathon public health branch office at 807-229-1820.
![](https://mfht.org/wp-content/uploads/2024/02/ISPA_Poster-High_School_page-0001-1-791x1024.jpg)
![](https://mfht.org/wp-content/uploads/2024/02/ISPA_Poster-High_School-FRE_page-0001-1-791x1024.jpg)
For more information, please visit the Thunder Bay & District Public Health Unit’s website: https://www.tbdhu.com/schoolimmunizations. You can also call the Marathon public health branch office at 807-229-1820.