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Article ; Online: Comparison of antigenicity between recently isolated bovine rotaviruses A and vaccine strains by cross-neutralizing antibody tests and their significance for immunization.

Hasan, Md Amirul / Kabir, Md Humayun / Miyaoka, Yu / Yamaguchi, Makiko / Shoham, Dany / Takehara, Kazuaki

The Journal of veterinary medical science

2023 Volume 85, Issue 3, Page(s) 318–325

Abstract: Three bovine rotaviruses A (RVAs) isolated from a cattle farm in Japan were serotyped by serum neutralization assay, as compared with the RVA strains contained in a vaccine used on the same farm. Antisera were prepared against the three isolates and the ... ...

Abstract	Three bovine rotaviruses A (RVAs) isolated from a cattle farm in Japan were serotyped by serum neutralization assay, as compared with the RVA strains contained in a vaccine used on the same farm. Antisera were prepared against the three isolates and the vaccine strains of bovine RVA. The results of cross-neutralization tests revealed that the RVA isolates from this farm differed somewhat in serotype. Collected plasma from calves for 6 weeks after colostrum ingestion showed that maternal antibodies acquired against all isolates gradually decreased, but antibodies toward one isolate increased by 6 weeks after the mentioned decreasing. These results suggest that rotavirus vaccines administered to cows should include all serotypes commonly found in calves with diarrhea.
MeSH term(s)	Female ; Animals ; Cattle ; Rotavirus ; Rotavirus Infections/veterinary ; Broadly Neutralizing Antibodies ; Antibodies, Viral ; Immunization/veterinary ; Neutralization Tests/veterinary ; Vaccines ; Cattle Diseases
Chemical Substances	Broadly Neutralizing Antibodies ; Antibodies, Viral ; Vaccines
Language	English
Publishing date	2023-01-03
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.22-0510
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Article ; Online: G and P genotype profiles of rotavirus a field strains circulating in a vaccinated bovine farm as parameters for assessing biosecurity level.

Hasan, Md Amirul / Kabir, Md Humayun / Miyaoka, Yu / Yamaguchi, Makiko / Takehara, Kazuaki

The Journal of veterinary medical science

2022 Volume 84, Issue 7, Page(s) 929–937

Abstract: After improvement of hygiene protocols on boots in a bovine operation (farm A) in Ibaraki, Japan in September 2017, mortality of calves and the detection of 4 viral pathogen indicators, including bovine rotavirus A (RVA), became significantly low for one ...

Abstract	After improvement of hygiene protocols on boots in a bovine operation (farm A) in Ibaraki, Japan in September 2017, mortality of calves and the detection of 4 viral pathogen indicators, including bovine rotavirus A (RVA), became significantly low for one year. Subsequently, in the present study, these indicators and mortality were monitored and confirmed all were still low, except for the detection rate of bovine RVA in calves less than 3 weeks old. The present study aimed to investigate G and P genotypic profiles of RVAs in farm A from 2018 to 2020. Molecular analysis using semi-nested multiplex RT-PCR of positive RVAs (n=122) and sequencing of selected samples revealed the presence of G6, G8, G10, P[1], P[5] and P[11] genotypes and the prevalence of G and/or P combination and mixed infections. The most common combination of G and P types was G10P[11] (41.8%), followed by mixed infection with G6+G10P[5] (11.5%). Phylogenetic analysis of RVAs showed clustering with bovine and other animal-derived RVA strains, suggesting the possibility of multiple reassortant events with strains of bovine and others animal origins. Noteworthy as well is that vaccinated cattle might fail to provide their offspring with maternal immunity against RVA infections, due to insufficient colostrum feeding. Our findings further highlight the importance of RVA surveillance in bovine populations, which may be useful to improving effective routine vaccination and hygiene practices on bovine farms.
MeSH term(s)	Animals ; Biosecurity ; Cattle ; Cattle Diseases/epidemiology ; Farms ; Feces ; Genetic Profile ; Genotype ; Phylogeny ; Rotavirus/genetics ; Rotavirus Infections/prevention & control ; Rotavirus Infections/veterinary
Language	English
Publishing date	2022-05-04
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.22-0026
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Article ; Online: Evaluation of antimicrobial efficacies of chlorine dioxide gas released into the air towards pathogens present on the surfaces of inanimate objects.

Hakim, Hakimullah / Kadota, Chisaki / Hasan, Md Amirul / Miyaoka, Yu / Kabir, Md Humayun / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

The Journal of veterinary medical science

2023 Volume 85, Issue 9, Page(s) 950–955

Abstract: The efficacy of ... ...

Abstract	The efficacy of ClO
MeSH term(s)	Animals ; Chlorine ; Oxides/pharmacology ; Chlorine Compounds/pharmacology ; Disinfectants/pharmacology ; Salmonella enteritidis
Chemical Substances	chlorine dioxide (8061YMS4RM) ; Chlorine (4R7X1O2820) ; Oxides ; Chlorine Compounds ; Disinfectants
Language	English
Publishing date	2023-07-21
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.23-0205
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Article ; Online: Complete genome constellations of two bovine rotavirus A strains isolated in Japan reveal a unique T9 NSP3 genotype.

Hasan, Md Amirul / Suzuki, Masato / Sakai, Kouji / Kabir, Md Humayun / Miyaoka, Yu / Hakim, Hakimullah / Kadota, Chisaki / Shoham, Dany / Takehara, Kazuaki

The Journal of veterinary medical science

2023 Volume 85, Issue 9, Page(s) 998–1003

Abstract: Full genome sequencing of two bovine rotavirus A (RVA) strains isolated in Japan in 2019 revealed two genotype constellations; one had a constellation of G8-P[1]-I2-R2-C2-M2-A3-N2-T9-E2-H3. Thereupon, genotype T9 carried by RVA/Bovine-tc/JPN/AH1041/2022/ ... ...

Abstract	Full genome sequencing of two bovine rotavirus A (RVA) strains isolated in Japan in 2019 revealed two genotype constellations; one had a constellation of G8-P[1]-I2-R2-C2-M2-A3-N2-T9-E2-H3. Thereupon, genotype T9 carried by RVA/Bovine-tc/JPN/AH1041/2022/G8P[1], constitutes a rare NSP3 genotype, and only two unusual Japanese bovine RVA strains have thus far been reported to carry this genotype. The other RVA/Bovine-tc/JPN/AH1207/2022/G6P[5] strain possessed a constellation of G6-P[5]-I2-R2-C2-M2-A3-N2-T6-E2-H3. Phylogenetic analyses indicate that the majority of gene segments were most closely related to Japanese bovine RVAs, suggesting that both strains might have derived through multiple reassortment events from RVA strains circulating within Japanese cattle. The emergence of RVA strains in Japan and their reassortment with locally circulating atypical RVAs could have implications for current vaccination strategies.
MeSH term(s)	Cattle ; Animals ; Rotavirus ; Rotavirus Infections/veterinary ; Japan/epidemiology ; Phylogeny ; Genome, Viral ; Genotype
Language	English
Publishing date	2023-07-26
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.23-0268
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Article ; Online: Evaluation of chlorine dioxide in liquid state and in gaseous state as virucidal agent against avian influenza virus and infectious bronchitis virus.

Kadota, Chisaki / Miyaoka, Yu / Kabir, Md Humayun / Hakim, Hakimullah / Hasan, Md Amirul / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

The Journal of veterinary medical science

2023 Volume 85, Issue 10, Page(s) 1040–1046

Abstract: The antiviral activity of chlorine dioxide ( ... ...

Abstract	The antiviral activity of chlorine dioxide (ClO
MeSH term(s)	Animals ; Infectious bronchitis virus ; Influenza in Birds/drug therapy ; Influenza in Birds/prevention & control ; Poultry Diseases/drug therapy ; Poultry Diseases/prevention & control ; Influenza A virus ; Chickens ; Coronavirus Infections/drug therapy ; Coronavirus Infections/prevention & control ; Coronavirus Infections/veterinary
Chemical Substances	chlorine dioxide (8061YMS4RM)
Language	English
Publishing date	2023-08-29
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.23-0194
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Article: Evaluation of Virucidal Quantitative Carrier Test towards Bovine Viruses for Surface Disinfectants While Simulating Practical Usage on Livestock Farms

Hasan, Md. Amirul / Miyaoka, Yu / Kabir, Md. Humayun / Kadota, Chisaki / Hakim, Hakimullah / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

Microorganisms. 2022 June 30, v. 10, no. 7

2022

Abstract: Livestock farming is affected by the occurrence of infectious diseases, but outbreaks can be prevented by effective cleaning and disinfection along with proper farm management. In the present study, bovine coronavirus (BCoV) and bovine rotavirus A (RVA) ... ...

Abstract	Livestock farming is affected by the occurrence of infectious diseases, but outbreaks can be prevented by effective cleaning and disinfection along with proper farm management. In the present study, bovine coronavirus (BCoV) and bovine rotavirus A (RVA) were inactivated using food additive-grade calcium hydroxide (FdCa(OH)₂) solution, quaternary ammonium compound (QAC) and their mixture through suspension tests as the primary screening, and afterward via carrier tests using dropping or dipping techniques as the secondary screenings. Viruses in the aqueous phase can be easily inactivated in the suspension tests, but once attached to the materials, they can become resistant to disinfectants, and require longer times to be inactivated. This highlights the importance of thorough cleaning with detergent before disinfection, and keeping elevated contact durations of proper disinfectants to reduce viral contamination and decrease infectious diseases incidence in farms. It was also reaffirmed that the suspension and carrier tests are necessary to evaluate disinfectants and thus determine their actual use. Particularly, the mixture of QAC and FdCa(OH)₂ was found to exhibit synergistic and broad-spectrum effects compared to their use alone, and is now recommended for use on livestock farms.
Keywords	Bovine coronavirus ; Rotavirus A ; ammonium compounds ; calcium hydroxide ; cattle ; detergents ; disinfection ; farm management ; quaternary ammonium compounds ; viral contamination
Language	English
Dates of publication	2022-0630
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2720891-6
ISSN	2076-2607
ISSN	2076-2607
DOI	10.3390/microorganisms10071320
Database	NAL-Catalogue (AGRICOLA)

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Article: Rapid in vitro virucidal activity of slightly acidic hypochlorous acid water toward aerosolized coronavirus in simulated human-dispersed droplets

Miyaoka, Yu / Yamaguchi, Makiko / Kadota, Chisaki / Hasan, Md. Amirul / Kabir, Md. Humayun / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

Virus research. 2022 Apr. 02, v. 311

2022

Abstract: The virucidal activities were evaluated by spraying slightly acidic hypochlorous acid waters (SAHWs) containing various concentrations of free available chlorine - 100, 200, 300 and 500 ppm (SAHW-100, -200, -300 and -500, respectively) - toward aerosol ... ...

Abstract	The virucidal activities were evaluated by spraying slightly acidic hypochlorous acid waters (SAHWs) containing various concentrations of free available chlorine - 100, 200, 300 and 500 ppm (SAHW-100, -200, -300 and -500, respectively) - toward aerosol of an avian coronavirus (infectious bronchitis virus: IBV). The viral solution was supplemented with 0.5% fetal bovine serum (FBS) to simulate normal human droplets generated by sneezing or coughing in a real-life scenario. The virus containing 0.5% FBS was sprayed and exposed to SAHWs for a few seconds in a closed chamber, before reaching the air sampler. The results showed that IBV exposed to SAHW-100 and -200 for a few seconds decreased by 0.21 log₁₀ and 0.80 log₁₀, respectively, compared to the pre-exposed samples to SAHWs as controls. On the other hand, reductions of 1.16 log₁₀ and 1.67 log₁₀ were achieved following the exposure to SAHW-300 and -500, respectively, within a few seconds. These results suggest that SAHWs have rapid in vitro virucidal activity toward aerosolized IBV. The findings obtained for IBV might basically be applicable in relation to SARS-CoV-2, given the resemblance between the two viruses. To prevent human-to-human transmissions by aerosols, the inactivation of viruses in the air by exposure to SAHWs for a few seconds seems to be an effective way.
Keywords	Infectious bronchitis virus ; Severe acute respiratory syndrome coronavirus 2 ; aerosols ; air ; antiviral properties ; chlorine ; fetal bovine serum ; humans ; research ; viruses
Language	English
Dates of publication	2022-0402
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	605780-9
ISSN	1872-7492 ; 0168-1702
ISSN (online)	1872-7492
ISSN	0168-1702
DOI	10.1016/j.virusres.2022.198701
Database	NAL-Catalogue (AGRICOLA)

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Article: Evaluation of Virucidal Quantitative Carrier Test towards Bovine Viruses for Surface Disinfectants While Simulating Practical Usage on Livestock Farms.

Hasan, Md Amirul / Miyaoka, Yu / Kabir, Md Humayun / Kadota, Chisaki / Hakim, Hakimullah / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

Microorganisms

2022 Volume 10, Issue 7

Abstract	Livestock farming is affected by the occurrence of infectious diseases, but outbreaks can be prevented by effective cleaning and disinfection along with proper farm management. In the present study, bovine coronavirus (BCoV) and bovine rotavirus A (RVA) were inactivated using food additive-grade calcium hydroxide (FdCa(OH)
Language	English
Publishing date	2022-06-30
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2720891-6
ISSN	2076-2607
ISSN	2076-2607
DOI	10.3390/microorganisms10071320
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Article ; Online: Rapid in vitro virucidal activity of slightly acidic hypochlorous acid water toward aerosolized coronavirus in simulated human-dispersed droplets.

Miyaoka, Yu / Yamaguchi, Makiko / Kadota, Chisaki / Hasan, Md Amirul / Kabir, Md Humayun / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

Virus research

2022 Volume 311, Page(s) 198701

Abstract	The virucidal activities were evaluated by spraying slightly acidic hypochlorous acid waters (SAHWs) containing various concentrations of free available chlorine - 100, 200, 300 and 500 ppm (SAHW-100, -200, -300 and -500, respectively) - toward aerosol of an avian coronavirus (infectious bronchitis virus: IBV). The viral solution was supplemented with 0.5% fetal bovine serum (FBS) to simulate normal human droplets generated by sneezing or coughing in a real-life scenario. The virus containing 0.5% FBS was sprayed and exposed to SAHWs for a few seconds in a closed chamber, before reaching the air sampler. The results showed that IBV exposed to SAHW-100 and -200 for a few seconds decreased by 0.21 log
MeSH term(s)	Aerosolized Particles and Droplets ; COVID-19 ; Disinfectants ; Humans ; Hypochlorous Acid/pharmacology ; Infectious bronchitis virus ; SARS-CoV-2 ; Water
Chemical Substances	Aerosolized Particles and Droplets ; Disinfectants ; Water (059QF0KO0R) ; Hypochlorous Acid (712K4CDC10)
Language	English
Publishing date	2022-01-29
Publishing country	Netherlands
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	605780-9
ISSN	1872-7492 ; 0168-1702
ISSN (online)	1872-7492
ISSN	0168-1702
DOI	10.1016/j.virusres.2022.198701
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Article ; Online: Isolation and Molecular Characterization of Fowl Adenovirus and Avian Reovirus from Breeder Chickens in Japan in 2019-2021.

Yamaguchi, Makiko / Miyaoka, Yu / Hasan, Md Amirul / Kabir, Md Humayun / Shoham, Dany / Murakami, Harumi / Takehara, Kazuaki

The Journal of veterinary medical science

2021 Volume 84, Issue 2, Page(s) 238–243

Abstract: Fowl adenoviruses (FAdVs) and avian reoviruses (ARVs) are ubiquitous in poultry farms and most of them are not pathogenic, yet often cause damage to chicks. A total of 104 chicken fecal samples were collected from 7 farms of breeder chickens (layers and ... ...

Abstract	Fowl adenoviruses (FAdVs) and avian reoviruses (ARVs) are ubiquitous in poultry farms and most of them are not pathogenic, yet often cause damage to chicks. A total of 104 chicken fecal samples were collected from 7 farms of breeder chickens (layers and broilers) in Japan from 2019 to 2021, and yielded 26 FAdV plus 14 ARV isolates. By sequencing, FAdV isolates were classified as FAdV-1, 5 and 8b. ARV isolates were classified as genotype II, IV and V. These results suggest that FAdVs and ARVs are resident in the breeder chicken farms in Japan.
MeSH term(s)	Adenoviridae Infections/epidemiology ; Adenoviridae Infections/pathology ; Adenoviridae Infections/veterinary ; Animals ; Aviadenovirus/genetics ; Chickens ; Japan/epidemiology ; Orthoreovirus, Avian/genetics ; Phylogeny ; Poultry Diseases
Language	English
Publishing date	2021-12-30
Publishing country	Japan
Document type	Journal Article
ZDB-ID	1071753-5
ISSN	1347-7439 ; 0916-7250
ISSN (online)	1347-7439
ISSN	0916-7250
DOI	10.1292/jvms.21-0616
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