“At least seven people have been infected with this new virus in Japan since 2014,” said Dr. Keita Matsuno, a virologist at the International Institute for Zoonose Control at Hokkaido University quoted Science News, Tuesday (5/10/2021).
The Yezo virus was discovered after a 41-year-old man was hospitalized in 2019 with fever and leg pain after being bitten by an arthropod believed to be a tick.
“In mid-May 2019, he visited a forest area near Sapporo for approximately 4 hours,” the researchers said.
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The next day, He saw and removed the arthropod attached to his right abdomen. Four days later, the man developed a fever of more than 39 degrees Celsius, followed by impaired walking due to leg pain.
The patient recovered after two weeks of treatment, but tests showed he was not infected virus known tick-borne. A second patient presented with the same symptoms after a tick bite the following year.
“The patient was a previously healthy 59-year-old man with no outstanding medical history living in Sapporo, Hokkaido,” the scientists said.
“In mid-July 2020, he climbed a mountain near Sapporo. During the ascent, he was bitten by an unidentified arthropod which stuck to his skin for at least 30 minutes,” he said.
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