Newmarket, as reported April 12 at 5 p.m. by York Region Public Health
- 1 (+0) school outbreak
- Outbreak declared April 7 at St. Elizabeth Seton Catholic Elementary School (closed, 2 staff)
- 2 (+0) school surveillances
- Surveillance declared April 8 at Huron Heights Secondary School (2 students, 1 staff)
- Surveillance declared March 30 at Terry Fox Public School (2 students, 1 staff)
- 1 (+0) child care centre outbreak
- Hopscotch Daycare Services, Bondi Avenue (1 child, 1 staff)
York Region, as reported April 12 at 5 p.m. by York Region Public Health
Total cases in schools, child care centres
- 1,914 (+62) total school and child care cases
- 1,364 (+41) student/children cases
- 550 (+21) staff cases
Schools
- 112 (+2) school outbreaks, 33 (-1) active
- Aurora Montessori School, Aurora (3 students, 3 staff)
- Carrville Mills P.S., Vaughan (3 students)
- St. Andrews College, Aurora (3 students, 2 staff)
- Our Lady of Help Christians C.E.S., Richmond Hill (2 students)
- Ashton Meadows Public School, Markham (1 student, 2 staff)
- Kennedy Montessori School, Markham (2 students, 1 staff)
- Scholar Montessori Academy, Vaughan (2 students)
- St. Clement Catholic Elementary School, Vaughan (closed, 6 students)
- St. Emily Catholic Elementary School, Vaughan (closed, 3 students, 1 staff)
- St. Margaret Mary Catholic Elementary School, Vaughan (2 students)
- St. Michael the Archangel Catholic Elementary School, Vaughan (5 students, 2 staff)
- Toronto Montessori School, Bayview campus, Richmond Hill (3 students, 2 staff)
- Johnny Lombardi Public School, Vaughan (closed, 7 students)
- St. Elizabeth Seton Catholic Elementary School, Newmarket (closed, 2 staff)
- Pine Grove Public School, Vaughan (closed, 3 students, 5 staff)
- Barbara Reid Public School, Whitchurch-Stouffville (6 students)
- Viola Desmond Public School, Vaughan (closed, 5 (+1) students)
- Corpus Christi Catholic School, Richmond Hill (2 students)
- St. Mary of the Angels Catholic Elementary School, Vaughan (closed, 5 students, 2 staff)
- Father Henri JM Nouwen Catholic Elementary School, Richmond Hill (closed, 5 (+3) students, 3 staff)
- King Heights Academy, Vaughan (closed, 7 students, 2 staff)
- St. Agnes of Assisi Catholic Elementary School, Vaughan (closed, 4 students, 1 staff)
- Somerset Academy, Markham (closed, 1 student, 1 staff)
- Pierre Berton Public School, Vaughan (12 students, 2 staff)
- Henderson Avenue Public School, Vaughan (5 students, 5 staff)
- Holy Spirit Catholic Elementary School, Aurora (closed, 1 student, 4 staff)
- Kleinburg Public School, Vaughan (6 students, 1 staff)
- Anne Frank Public School, Vaughan (closed, 2 students, 2 staff)
- Franklin Street Public School, Markham (closed, 9 students, 2 staff)
- Bayview Fairways Public School, Markham (closed, 2 staff)
- Wilshire Elementary School, Thornhill (closed, 6 students)
- Unionville Montessori School, Markham (5 students, 3 staff)
- Silver Pines Public School, Richmond Hill (4 students, 3 staff)
- 3-day outbreak closed April 12 at MindTech Montessori Schools – North Campus, Markham (2 students)
- 625 (+2) school surveillances, 103 (+6) active
- Aurora: Highview P.S. (1 student, 1 staff); Light of Christ C.E.S. (1 student); Northern Lights P.S. (1 student)
- East Gwillimbury: King Christian School, closed (2 students); Mount Albert P.S. (1 student, 1 staff)
- Georgina: Black River P.S. (1 staff); Lake Simcoe P.S. (2 students); Our Lady of the Lake Academy (1 student); Sutton District H.S. (1 student)
- King: King City P.S. (1 student); Villanova College, closed (3 students)
- Markham: Aldergrove P.S. (1 student); Baythorn P.S. (7 students); Bill Crothers S.S. (13 students); Bill Hogarth S.S. (2 students); Bur Oak S.S. (2 students, 1 staff); Buttonville P.S. (1 student); Crosby Heights P.S. closed (3 students, 1 staff); German Mills P.S. (1 staff); John McCrae P.S. (2 students); Legacy P.S. (1 student, 1 staff); Little Rouge P.S. (1 student, 1 staff); Markham District H.S. (1 student); Milliken Mill H.S. (2 students); Parkland P.S. (1 student); Randall P.S. (2 students); St. Benedict C.E.S. (1 student); St. Brother Andre C.H.S. (4 students); St. Edward C.E.S. (1 student); St. Francis Xavier C.E.S. (1 student); St. John XXIII C.E.S. (1 student); St. Monica C.E.S. (1 student); St. Patrick C.E.S. (1 student, 1 staff); Thornhill S.S. (3 students); Thornlea S.S. (1 staff); Trillium School (1 student); Unionville Meadows P.S. (2 staff); Victoria Square P.S. (2 students); Woodland P.S. (3 students)
- Richmond Hill: Alexander Mackenzie H.S. (1 student); Bayview S.S. (2 students, 1 staff); Beynon Fields P.S. (2 students); Charles Howitt P.S. (1 student); Christ the King C.E.S. (4 students, 1 staff); Doncrest P.S. (3 students); Father Frederick McGinn C.E.S. (1 student); Kettle Lakes P.S. (3 students); Lake Wilcox P.S. (1 student); Michaelle Jean P.S. (1 student); O.M. MacKillop P.S. (1 staff); Our Lady Queen of the World Catholic Academy (1 staff); Red Maple P.S. closed (5 students); Richmond Hill Montessori (1 student, 1 staff); Roselawn P.S. (1 student); Ross Doan P.S. ( 1 student); Sixteenth Avenue P.S. (1 student, 1 staff); St. Charlies Garnier C.E.S. ( 1 student); St. John Paul II C.E.S. closed (1 staff); St. Theresa of Lisieux C.H.S. (1 staff)
- Vaughan: Bakersfield P.S. (2 students); Brownridge P.S. (1 student); Divine Mercy C.E.S. (1 student); Dr. Roberta Bondar P.S. (1 student); Everest Academy, closed (4 (+1) students, 1 staff); Father Bressani C.H.S. (1 student); Forest Run P.S. (1 staff); Glen Shield P.S., closed (1 staff); Glen Gould P.S. (2 students); Holy Cross Catholic Academy (2 students, 1 staff); Immaculate Conception C.E.S., closed (4 (+1) students, 1 staff); Julliard P.S. (1 student); Louis-Honore Frechette P.S. (1 student); Maple Creek P.S. (5 students); Maple H.S. (2 students); Netivot HaTorah Day School (1 student); Pope Francis C.E.S. (1 student); St. Angela Merici C.E.S. (1 student); St. David C.E.S., closed (4 students); St. Elizabeth C.H.S. (1 staff); St. Gregory the Great Catholic Academy, closed (2 students); St. James C.E.S. (2 students); St. Joan of Arc C.H.S. (1 student, 2 staff); St. Veronica C.E.S. (1 student); Stephen Lewis S.S. (3 students); Teston Village P.S. (2 students); Thornhill P.S., closed (1 student, 2 staff); Thornhill Woods P.S., closed (1 student, 2 staff); Tommy Douglas S.S. (10 students, 1 staff); Toronto District Christian H.S. (4 students, 1 staff); Toronto Waldorf (2 students); Ventura Park P.S. (1 student); Westmount C.I. (2 students)
- Whitchurch-Stouffville: Ecole Secondaire Catholique Pate-Francois (1 staff); Glad Park P.S. (2 students); Harry Bowes P.S. (1 student); Ocscar Peterson P.S. (2 students); St. Brigid C.E.S. (1 student); Stouffville District S.S. (1 student); Summitview P.S. (2 students)
Child care centres
- 73 (+1) child care outbreaks, 9 (+0) active
Ontario, as reported April 12 at 10:30 a.m. for April 11 by Public Health Ontario
Schools
- 14,909 total cases
- 217 total new cases since April 10
- 11,264 total student cases
- 2,482 total staff cases
- 1,163 total cases individuals not identified
- 186 student cases since April 10
- 30 staff cases since April 10
- 1 cases individuals since April 10
- 1,302 of 4,828 (26.97%) schools with reported cases
- 0 (0%) schools closed
Child care centres
- 4,287 total cases
- 66 total new cases since April 11
- 2,381 total children
- 1,906 total staff
- 33 new cases children since April 11
- 33 new cases staff since April 11
- 418 of 5,282 (7.91%) centres with cases
- 130 (2.46%) centres closed
