It turned out that avian influenza virus was positive in a secretary sardine and a mute swan raised at Tobu Zoological Park in Miyashiro-cho, Saitama Prefecture.
Saitama Prefecture conducts genetic tests to confirm whether or not they are infected with highly infectious and highly pathogenic avian influenza.
According to Tobu Zoological Park, on the morning of the 21st, one secretary eagle was found dead in the breeding facility, and two mute swans in the pond were found to be weakened.
A simple bird flu test was conducted, and one of the secretarybirds and the mute swan each tested positive.
Saitama Prefecture received the notification and checked the site, sent the sample to the National Institute for Environmental Studies for genetic testing, and confirmed whether it was infected with highly infectious and highly pathogenic avian influenza.
At Tobu Zoological Park, about 380 birds of 38 species are kept, but so far no other abnormalities have been seen.
The park will be temporarily closed on the 22nd, and will be temporarily closed for the time being after the 23rd.
In Saitama Prefecture, bird flu was confirmed at a poultry farm in Fukaya City on the 17th of this month, and more than 190,000 birds were culled.
Saitama Prefecture Governor Ohno "Situation that could occur anywhere"
Governor Ohno of Saitama Prefecture said, "The discovery of a suspected bird flu case at a zoo could provoke a social reaction. It's a high-risk situation that could happen anywhere in the prefecture. People died in ponds and rivers. If you find a bird in the wild, don't approach it and report it promptly."