KETCHIKAN (KDN) â The Ketchikan Emergency Operations Center on Friday charted four new COVID-19 cases â all involving symptomatic individuals â while one individual was hospitalized in the COVID-19 unit at PeaceHealth Ketchikan Medical Center according to a Friday press release. According to the EOC release, two of the Friday cases involved close contacts of a known positive case, and two were still under investigation. Of Ketchikanâs 452 cumulative cases, 252 have been linked to close contact with a known positive. As of Friday evening, 17 cases of COVID-19 were still active in Ketchikan. The local positivity rate dropped from 2.17% on Thursday to 1.93% on Friday, the EOC dashboard showed.