Colorized scanning electron micrograph of an apoptotic cell (blue) heavily infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Image captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. (Courtesy NIAID)

A seafood processing plant worker in Ketchikan has tested positive for COVID-19. That’s according to a Tuesday evening statement from Ketchikan’s emergency operations center. The unnamed individual was reportedly placed in isolation and is being monitored for symptoms.

Officials haven’t disclosed where the individual works. The statement said the worker had initially tested negative on June 9. But a follow-up test Tuesday came back positive. The statement said the person is not showing symptoms.

State public health investigators haven’t found any likely close contacts who could’ve been infected.

The unspecified seafood processor has a state-mandated pandemic mitigation plan on file, officials say. The individual has “cooperated fully and followed all on site protocols,” according to the statement.

Some 24 people have tested positive for the coronavirus in Ketchikan, according to local officials’ count. All but three are among people who live in or are visiting Ketchikan. The other three reportedly traveled to Prince of Wales Island before receiving their test results.

So far, 16 of the 21 Ketchikan cases have recovered, leaving five active cases in Ketchikan, according to a local tally.