Western Student Outbreak Alpha visualization
8-Sep

9-Sep

A1

Meeting on
campus

A3

(6:30pm)
Low risk exposure
due to masking &
physical
distancing

A4

A1

B1

B2

11-Sep

12-Sep

13-Sep

Episode date for:

Episode date for:

Episode date for:

Episode date for:

A1

A2

House #1

10-Sep
B1

A2

B1

B2
C1

A3

A3

A2
B1

C1

B1

A3
B2

A4

B5

B2
C1

Inside with
roommates and
a friend

C2

D1

C1

Driving
with friend

A1

G1

A3

A4

A3

Shared
an ecigarette
A3

Lost Love

Lost Love

Lost Love

Sat in same section
(11pm–1am)

Worked with
a mask on

Worked with
a mask on

A1

E1

A2

B1

Shared
a drink

G1

C2

(~10–11pm)

A2

B4

Hung at
home

Shared car
ride home

Chuck’s
Roadhouse
A2

G1

E1

Watched
basketball
game together
inside

C2

F1

C2

No mask

C1

D1

C1

Hung out
together inside

A4

B5

House #3

A4

F1

C2

A1

(8–10pm)

A2

D1

B5

Outdoor
basketball
game

La Cucina

B4

B5

House #3

(~5–6pm)

House #2

B3

House #2

(2:30pm)

B3

A3

Spent day
together

Crunch
Fitness

A2

B2

B4

A3

F1

Worked with a
mask on
G1

F1

G1

F1

G1

B3

B2
E1

A4

Shopping
with friend
at multiple
locations
Low risk
exposure
since mask
worn at all
times
G1

D1

Shared car
ride home
F1

G1

Shared car
ride home
F1

G1

 Western Student Outbreak Alpha visualization

Notes
These are cases associated with the Western Student Outbreak Alpha
Episode date is the date of the onset of symptoms or date of specimen collection,
whichever is earliest.
Includes data reported by the end of day on 09-16-2020.
B5 is a high-risk probable case.
B3 was referred to another PHU.
E1 was referred to another PHU.
The data are subject to recall bias. Some cases reported contradictory information.
9-Sep-2020 – Chuck’s Roadhouse (650 Richmond St). Likely between 10pm and 11pm.
9-Sep-2020 – Crunch Fitness (1251 Huron St).