Fukushima Prefecture has been struggling with the spread of the new coronavirus, having identified in April at least four cases of clusters with five or more infected people in one place, with locations ranging from a post office to a welfare facility.

Ten people who have worked as postal staff including one retiree tested positive at the post office in Nihonmatsu. According to the prefecture, a postal delivery worker in his 40s was the latest person to test positive. He had a fever on April 3 but went to work the following day. Then, on April 6, he experienced a loss of taste and smell, but again reported to work.

He consulted a health center in the city of Fukushima on April 9 after he experienced coughing and shortness of breath, before finally getting medical attention the following day.