SASKATOON -- As students across the country headed back to class, Canada's chief medical health officer, Dr. Theresa Tam, said parents should expect to see cases of the virus in schools.

This has proved true in the Saskatoon area. Confirmed cases of the illness began emerging by the second week of classes after school resumed on Sept. 8 with many COVID-19 precautions in place.

In the article below you will find an interactive map of cases in and around Saskatoon. Here are the cases of COVID-19 reported in Saskatoon area schools to date:

Sept. 13: In a letter to parents, Greater Saskatoon Catholic Schools (GSCS) reports that a case of COVID-19 has been discovered at Holy Cross High School. 

Sept. 14: GSCS alerts parents about positive cases at two schools, École St. Peter School and St. Joseph High School. 

Sept. 16: Cases are found at two more GSCS schools, St. Mark School and Bethlehem Catholic High School.

Sept. 21: Saskatoon Public Schools (SPS) says it was contacted by the Saskatchewan Health Authority about two positive cases of COVID-19. - one at Colette Bourgonje School, the other at James L. Alexander School. A case of COVID-19 is also identified at Valley Manor Elementary School in Martensville, which is part of the Prairie Spirit School Division.

Sept. 26: In a release, GSCS says it was contacted by the SHA about a  positive COVID-19 case at Holy Cross High School.  This is the second positive case that has been reported at that school since it opened on Sept. 8. 

Oct. 2: Saskatoon Public Schools (SPS) confirms that one person has tested positive for COVID-19 at Walter Murray Collegiate.

Oct. 3: The Saskatchewan Health Authority (SHA) declares an outbreak at Holy Cross High School. GSCS issued a statement Friday night, saying it was informed by the SHA of a fourth positive COVID-19 case at Holy Cross.

Oct. 6: A person at Holy Cross High School was in attendance while they were communicable during the week ending Sept. 25, Greater Saskatoon Catholic Schools says.

Oct. 13: GSCS temporarily closes Father Vachon School and moves to online learning after someone there tested positive for COVID-19.

Oct. 14. A spokesperson for SPS says Evan Hardy Collegiate was contacted by the SHA and notified of an individual who tested positive.

Oct. 15: A  case of COVID-19 is confirmed at at Bishop Murray High School.

Oct. 19: SPS says was notified by the SHA that one individual tested positive for COVID-19 at Holliston School.

--With files from the Canadian Press