The term is new but cases of flurona have occurred throughout the pandemic. Flurona instances have been detected in countries including the United States, Israel, Brazil, the Philippines and Hungary.
In February 2020, a man was admitted to a New York hospital with a severe cough and fever. During this time, New York had not officially reported any cases of COVID. The patient tested positive for influenza and was then tested for the coronavirus. Weeks later, results confirmed that he, along with three family members, had contracted both viruses.