Two pet dogs belonging to two coronavirus patients have tested positive for the coronavirus, a pet insurance company said Monday, marking the first cases in which infection of a pet has been reported in Japan.

The two dogs have not shown any symptoms and one has already shown negative results in more recent tests, Anicom Holdings Inc. said.

While COVID-19 cases have been confirmed among pet cats in a number of countries including the United States, Belgium and France, fewer cases have been reported involving dogs overseas, according to the company.