Retrospective Survey of Shamonda Virus Infection in Sentinel and Breeding Cattle and in Malformed Calves in Kagoshima Prefecture

Hirashima, Yoshimasa; Sakaguchi, Zenjiro; Okada, Daisuke; Fujioka, Mai; Kitahara, Syoei; Iwamoto, J.; Yanase, Tohru; Fujisono, Shoichiro

doi:10.12935/jvma.70.729

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…Finally, Shamonda virus was first isolated from cattle in Nigerian markets in 1965 [ 77 ]. Serological evidence suggests that Shamonda virus was a cause of congenital malformations in calves in Japan in the early 2000s [ 80 , 81 ]. More recently, Shamonda virus was detected in cases of febrile illness associated with abortions in goats in South Africa in 2023 [ 82 ].…”

Section: Discussionmentioning

confidence: 99%

Revisiting the Importance of Orthobunyaviruses for Animal Health: A Scoping Review of Livestock Disease, Diagnostic Tests, and Surveillance Strategies for the Simbu Serogroup

O’Connor,

Hick,

Finlaison

et al. 2024

Viruses

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Orthobunyaviruses (order Bunyavirales, family Peribunyaviridae) in the Simbu serogroup have been responsible for widespread epidemics of congenital disease in ruminants. Australia has a national program to monitor arboviruses of veterinary importance. While monitoring for Akabane virus, a novel orthobunyavirus was detected. To inform the priority that should be given to this detection, a scoping review was undertaken to (1) characterise the associated disease presentations and establish which of the Simbu group viruses are of veterinary importance; (2) examine the diagnostic assays that have undergone development and validation for this group of viruses; and (3) describe the methods used to monitor the distribution of these viruses. Two search strategies identified 224 peer-reviewed publications for 33 viruses in the serogroup. Viruses in this group may cause severe animal health impacts, but only those phylogenetically arranged in clade B are associated with animal disease. Six viruses (Akabane, Schmallenberg, Aino, Shuni, Peaton, and Shamonda) were associated with congenital malformations, neurological signs, and reproductive disease. Diagnostic test interpretation is complicated by cross-reactivity, the timing of foetal immunocompetence, and sample type. Serological testing in surveys remains a mainstay of the methods used to monitor the distribution of SGVs. Given significant differences in survey designs, only broad mean seroprevalence estimates could be provided. Further research is required to determine the disease risk posed by novel orthobunyaviruses and how they could challenge current diagnostic and surveillance capabilities.

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Section: Discussionmentioning

confidence: 99%

Revisiting the Importance of Orthobunyaviruses for Animal Health: A Scoping Review of Livestock Disease, Diagnostic Tests, and Surveillance Strategies for the Simbu Serogroup

O’Connor,

Hick,

Finlaison

et al. 2024

Viruses

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show abstract

“…Finally, Shamonda virus was first isolated from cattle in Nigerian markets in 1965 [77]. Serological evidence suggests that Shamonda virus is a cause of congenital malformations in calves in Japan in the early 2000's [80,81]. More recently, Shamonda virus has been detected in cases of febrile illness associated with abortions in goats in South Africa in 2023 [82].…”

Section: Discussionmentioning

confidence: 99%

Revisiting the Importance of Orthobunyaviruses for Animal Health: A Scoping Review of Livestock Disease, Diagnostic Tests, and Surveillance Strategies for the Simbu Serogroup

O'Connor,

Hick,

Finlaison

et al. 2024

Preprint

View full text Add to dashboard Cite

Orthobunyaviruses (order Bunyavirales, family Peribunyaviridae) in the Simbu serogroup have been responsible for widespread epidemics of congenital disease in ruminants. Australia has a national program to monitor arboviruses of veterinary importance. While monitoring for Akabane virus, a novel orthobunyavirus was detected. To inform the priority that should be given to this detection, a scoping review was undertaken to 1) Characterise the associated disease presentations and establish which of the Simbu group viruses are of veterinary importance; 2) Examine the diagnostic assays that have undergone development and validation for this group of viruses, and 3) Describe the methods used to monitor the distribution of these viruses. Two search strategies identified 224 peer-reviewed publications for 33 viruses in the serogroup. Viruses in this group may cause severe animal health impacts, but only those phylogenetically arranged in clade B are associated with animal disease. Six viruses (Akabane, Schmallenberg, Aino, Shuni, Peaton, and Shamonda) were associated with congenital malformations, neurological signs, and reproductive disease. Diagnostic test interpretation is complicated by cross-reactivity, the timing of foetal immunocompetence and sample type. Serological testing in surveys remains a mainstay of the methods used to monitor the distribution of SGVs. Due to significant differences in survey designs, only broad mean seroprevalence estimates could be provided. Further research is required to characterise the SGV detected and determine the disease risk posed by novel orthobunyaviruses and how they could challenge current diagnostic and surveillance capabilities.

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“…In 2002, SHAV suddenly emerged in southern Japan, which is geographically far from Africa (164). Precolostral sera from several malformed calves delivered after the SHAV spread in the epizootic region contained neutralization antibodies to SHAV (164)(165)(166). Between the winter of 2015 and the spring of 2016, over 20 malformed calves exposed to intrauterine infection with SHAV were reported in southern Japan (166,167).…”

Section: Other Orthobunyavirusesmentioning

confidence: 99%

Endemic and Emerging Arboviruses in Domestic Ruminants in East Asia

2020

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Epizootic congenital abnormalities caused by Akabane, Aino, and Chuzan viruses have damaged the reproduction of domestic ruminants in East Asia for many years. In the past, large outbreaks of febrile illness related to bovine ephemeral fever and Ibaraki viruses severely affected the cattle industry in that region. In recent years, vaccines against these viruses have reduced the occurrence of diseases, although the viruses are still circulating and have occasionally caused sporadic and small-scaled epidemics. Over a long-term monitoring period, many arboviruses other than the above-mentioned viruses have been isolated from cattle and Culicoides biting midges in Japan. Several novel arboviruses that may infect ruminants (e.g., mosquito-and tick-borne arboviruses) were recently reported in mainland China based on extensive surveillance. It is noteworthy that some are suspected of being associated with cattle diseases. Malformed calves exposed to an intrauterine infection with orthobunyaviruses (e.g., Peaton and Shamonda viruses) have been observed. Epizootic hemorrhagic disease virus serotype 6 caused a sudden outbreak of hemorrhagic disease in cattle in Japan. Unfortunately, the pathogenicity of many other viruses in ruminants has been uncertain, although these viruses potentially affect livestock production. As global transportation grows, the risk of an accidental incursion of arboviruses is likely to increase in previously non-endemic areas. Global warming will also certainly affect the distribution and active period of vectors, and thus the range of virus spreads will expand to higher-latitude regions. To prevent anticipated damages to the livestock industry, the monitoring system for arboviral circulation and incursion should be strengthened; moreover, the sharing of information and preventive strategies will be essential in East Asia.

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Retrospective Survey of Shamonda Virus Infection in Sentinel and Breeding Cattle and in Malformed Calves in Kagoshima Prefecture

Cited by 3 publications

References 9 publications

Revisiting the Importance of Orthobunyaviruses for Animal Health: A Scoping Review of Livestock Disease, Diagnostic Tests, and Surveillance Strategies for the Simbu Serogroup

Revisiting the Importance of Orthobunyaviruses for Animal Health: A Scoping Review of Livestock Disease, Diagnostic Tests, and Surveillance Strategies for the Simbu Serogroup

Revisiting the Importance of Orthobunyaviruses for Animal Health: A Scoping Review of Livestock Disease, Diagnostic Tests, and Surveillance Strategies for the Simbu Serogroup

Endemic and Emerging Arboviruses in Domestic Ruminants in East Asia

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