Serological Evidence of Influenza D Virus Circulation Among Cattle and Small Ruminants in France

Oliva, Joan; Eichenbaum, Amit; Belin, Jade; Gaudino, Maria; Guillotin, Jean; Alzieu, Jean-Pierre; Nicollet, Philippe; Brugidou, Roland; Gueneau, Eric; Michel, Evelyne; Meyer, Gilles; Ducatez, Mariette

doi:10.3390/v11060516

Cited by 48 publications

(66 citation statements)

References 18 publications

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“…As no IDV vaccination is in place, all the positive sera came from natural infections. The seropositivity rates observed in cattle and small ruminants were lower than those reported in Europe, North America, Asia, or Africa [2,3,12,13,15,26,27]. Our IDV seroprevalence estimated in Togo was also higher in 2015 than in 2017-2019, reaching 21% in cattle [2].…”

Section: Discussioncontrasting

confidence: 64%

“…[8,12,13,16,26,27] Small ruminants density Specific antibodies against IDV were detected in small ruminants, justifying their density as a risk factor. [3,26] Presence of respiratory clinical signs in cattle Several studies report that IDV is more commonly isolated from cattle with respiratory clinical signs and can be airborne transmitted among cattle. [8,[16][17][18] Cattle age Calves appear more susceptible to IDV infection than adults.…”

Section: Risk Factor Explanation Referencesmentioning

confidence: 94%

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Risk Mapping of Influenza D Virus Occurrence in Ruminants and Swine in Togo Using a Spatial Multicriteria Decision Analysis Approach

Fusade-Boyer

Pato

Komlan

et al. 2020

Viruses

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Influenza D virus (IDV) has been identified in several continents, with serological evidence for the virus in Africa. In order to improve the sensitivity and cost–benefit of IDV surveillance in Togo, risk maps were drawn using a spatial multicriteria decision analysis (MCDA) and experts’ opinion to evaluate the relevance of sampling areas used so far. Areas at highest risk of IDV occurrence were the main cattle markets. The maps were evaluated with previous field surveillance data collected in Togo between 2017 and 2019: 1216 sera from cattle, small ruminants, and swine were screened for antibodies to IDV by hemagglutination inhibition (HI) assays. While further samples collections are needed to validate the maps, the risk maps resulting from the spatial MCDA approach generated here highlight several priority areas for IDV circulation assessment.

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Section: Discussioncontrasting

confidence: 64%

Section: Risk Factor Explanation Referencesmentioning

confidence: 94%

Risk Mapping of Influenza D Virus Occurrence in Ruminants and Swine in Togo Using a Spatial Multicriteria Decision Analysis Approach

Fusade-Boyer

Pato

Komlan

et al. 2020

Viruses

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“…Cattle are considered the major reservoir of IDV and the role of this recently discovered influenza virus in BRD still remains controversial [23,24]. We performed a virological screening for IDV from samples collected from cattle belonging to farms in Northern Italy with respiratory symptoms.…”

Section: Discussionmentioning

confidence: 99%

Detection of a New Genetic Cluster of Influenza D Virus in Italian Cattle

Chiapponi

Faccini

Fusaro

et al. 2019

Viruses

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Influenza D virus (IDV) has been increasingly reported all over the world. Cattle are considered the major viral reservoir. Based on the hemagglutinin-esterase (HEF) gene, three main genetic and antigenic clusters have been identified: D/OK distributed worldwide, D/660 detected only in the USA and D/Japan in Japan. Up to 2017, all the Italian IDV isolates belonged to the D/OK genetic cluster. From January 2018 to May 2019, we performed virological surveillance for IDV from respiratory outbreaks in 725 bovine farms in Northern Italy by RT-PCR. Seventy-four farms were positive for IDV. A full or partial genome sequence was obtained from 29 samples. Unexpectedly, a phylogenetic analysis of the HEF gene showed the presence of 12 strains belonging to the D/660 cluster, previously unreported in Europe. The earliest D/660 strain was collected in March 2018 from cattle imported from France. Moreover, we detected one viral strain with a reassortant genetic pattern (PB2, PB1, P42, HEF and NP segments in the D/660 cluster, whilst P3 and NS segments in the D/OK cluster). These results confirm the circulation of IDV in the Italian cattle population and highlight the need to monitor the development of the spreading of this influenza virus in order to get more information about the epidemiology and the ecology of IDV viruses.

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“…Newly recognized as a novel species, influenza D virus (IDV) was first isolated in 2011 from a pig exhibiting influenza-like-illness (ILI) [1]. IDV has been detected in various animal species including pigs [2], cattle [3], goats and sheep [4] with the highest prevalence reported in young cattle with symptoms of bovine respiratory disease (BRD) [5]. To date, IDV has not been isolated in poultry [4].…”

Section: Introductionmentioning

confidence: 99%

First sequence of influenza D virus identified in poultry farm bioaerosols in Sarawak, Malaysia

Bailey

Fieldhouse

Alarja

et al. 2020

Trop Dis Travel Med Vaccines

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In 2018, our team collected aerosols samples from five poultry farms in Malaysia. Influenza D virus was detected in 14% of samples. One sample had an 86.3% identity score similar to NCBI accession number MH785020.1. This is the first molecular sequence of influenza D virus detected in Southeast Asia from a bioaerosol sample. Our findings indicate that further study of role of IDV in poultry is necessary.

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Serological Evidence of Influenza D Virus Circulation Among Cattle and Small Ruminants in France

Cited by 48 publications

References 18 publications

Risk Mapping of Influenza D Virus Occurrence in Ruminants and Swine in Togo Using a Spatial Multicriteria Decision Analysis Approach

Risk Mapping of Influenza D Virus Occurrence in Ruminants and Swine in Togo Using a Spatial Multicriteria Decision Analysis Approach

Detection of a New Genetic Cluster of Influenza D Virus in Italian Cattle

First sequence of influenza D virus identified in poultry farm bioaerosols in Sarawak, Malaysia

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