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4 New Types of Arbovirus Detected in the Country
The
National Institute of Animal Health (NIAH) of National
Agriculture and BIO-oriented Research Organization, on
September 15, announced that four new types of arbovirus
have made inroad into Japan via nuka-ka mosquito etc.
Researchers at its Kyushu Research Station Clinical Virology
Section say "a stillbirth and/or congenital abnormality
may well suggest that an area has been infected by arbovirus
even where a spread of infection has never been
identified."
Detected are Peaton virus, Sathuperi virus, D'Aguilar virus and Shamonda virus segregated and fixed during the period from 1999 to 2004. It is conjectured |
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that insect vectors which flew over to the country on seasonal wind became active under the influence of global warming and made their way up northward.
All of them live in tropical and subtropical zones. They have the potent of causing a cattle a miscarriage, premature birth, stillbirth, congenital abnormality such as arthrogryposis and hydranencephaly.
One type of arbovirus, Akabane virus, repeatedly spread in the western part of Japan, was identified on the island of Hokkaido in 1998. Based on that experience, a warning was issued at this time.
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