Three workers for a Florida company that greets cruise passengers at Port Everglades have tested positive for the coronavirus, according to state health officials.

The Florida Department of Public Health on Tuesday identified the sufferer as a 69-year-old female employee of Metro Cruise Services, which is based in Fort Lauderdale.

The female is the company's third employee to test positive for the virus.

"The department, through an extensive epidemiological investigation, identified this new case as the third positive case of Covid-19 associated with Port Everglades in Broward County, Florida," the agency said in a news bulletin on its website.