COVID-19 cases reported at Northwestern University fell to 18 this week from 53 last week.
The cases this week affected 14 undergraduate students, two other students and two staff members, but no faculty members.
The school says that over the seven-day period ending Wednesday it conducted 12,281 tests for the disease, down from 12,761 in the previous period. The positive rate this week was 0.17% compared to 0.46% the week before.
NU says it has conducted a total of 262,924 tests since Aug 20.
The COVID cases reported by the university are included in the City of Evanston’s case counts if, and only if, the person involved lives in Evanston.
To look at the data another way, NU, with about 30,800 students, faculty and staff, had 5.8 cases per 10,000 population in the most recent period, compared to a rate of 17.2 the previous week.
Evanston during the same period had 57 cases among its 75,000 residents, or 7.6 cases per 10,000 population, compared to a rate of 12.1 the previous week.