The most up-to-date case data is published regularly and is available here.
As of Dec. 9 (increase since last update in parentheses):
Total Positive Cases: 879 (24)
Deaths: 73 (0)
Total Probable Cases: 131 (0)
Total Quarantined (not sick): 834 (9)
Suspected Cases: 62 (1)
Released from Quarantine: 504 (0)
Released from Isolation: 539 (0)
As of Dec. 9
Dec. 9, 2020: Here are the Latest COVID-19 Case Numbers for the Town of Brookline