• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2018 Fiscal Year Annual Research Report

Transmission dynamics of Respiratory Syncytial Virus and Establishing New Control Measures

Research Project

Project/Area Number 16H02642
Research InstitutionTohoku University

Principal Investigator

押谷 仁  東北大学, 医学系研究科, 教授 (80419994)

Co-Investigator(Kenkyū-buntansha) 斉藤 繭子  東北大学, 医学系研究科, 准教授 (20598031)
神垣 太郎  東北大学, 医学系研究科, 助教 (80451524)
石井 直人  東北大学, 医学系研究科, 教授 (60291267)
Project Period (FY) 2016-04-01 – 2019-03-31
KeywordsRSウイルス / フィリピン / モンゴル / 疫学 / 伝播動態
Outline of Annual Research Achievements

フィリピンにおいてはコホート研究を継続するとともに、これまでに蓄積されたデータの解析を行った。この結果、RSVの再感染にFタンパクのアミノ酸変異の関与している可能性が明らかになった(Okamoto M et. al. J. Infect Dis. 2018)。また、詳細な年齢別の罹患率と罹患のリスクファクターの解析を行ない、6ヶ月未満および1歳の小児で特に罹患率が高いことが示された(Ueno F. et. al. Influenza Other Respir Viruses. 2019)。さらに、特に乳児への感染源を明らかにする目的でコホートデータの解析も行い、同じ家庭に暮らす年長児が乳児への感染源となっている可能性が示唆された(Otomaru H. Open Forum Infect Dis. 2019)。フィリピンにおけるコホート研究は継続し、特に2018-2019年シーズンには詳細な疫学データが蓄積され非常に多くの検体も採取することができた。モンゴルにおいてもコホート研究を継続し、これまで4シーズン分の疫学データが蓄積されたことになる。ザンビアでは、RSVのシークエンス解析を開始し、これまでにないような変異を持つウイルスが検出された。これらの結果については現在、解析および論文執筆を行っている段階である。カンボジアにおいては、検体の解析を進めることで同意が得られたが、倫理委員会からの承認などの手続きに想定以上の時間がかかり、研究を開始するには至らなかった。
これらの結果、RSVの伝播動態について疫学・ウイルス学の両面からさまざまな新たな知見を得ることができた。

Research Progress Status

平成30年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

平成30年度が最終年度であるため、記入しない。

  • Research Products

    (20 results)

All 2019 2018 Other

All Int'l Joint Research (4 results) Journal Article (8 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 8 results,  Open Access: 7 results) Presentation (7 results) (of which Int'l Joint Research: 6 results,  Invited: 2 results) Remarks (1 results)

  • [Int'l Joint Research] Research Institute for Tropical Medicine(フィリピン)

    • Country Name
      PHILIPPINES
    • Counterpart Institution
      Research Institute for Tropical Medicine
  • [Int'l Joint Research] National Institute of Public Health(カンボジア)

    • Country Name
      CAMBODIA
    • Counterpart Institution
      National Institute of Public Health
  • [Int'l Joint Research] University Teaching Hospital(ザンビア)

    • Country Name
      ZAMBIA
    • Counterpart Institution
      University Teaching Hospital
  • [Int'l Joint Research] NCCD(モンゴル)

    • Country Name
      MONGOLIA
    • Counterpart Institution
      NCCD
  • [Journal Article] Association Between Preceding Viral Respiratory Infection and Subsequent Respiratory Illnesses Among Children: A Prospective Cohort Study in the Philippines.2019

    • Author(s)
      Furuse Y, Tamaki R, Okamoto M, Saito-Obata M, Suzuki A, Saito M, Imamura T, Khandaker I, Dapat I, Ueno F, Alday PP, Tan AG, Inobaya MT, Segubre-Mercado E, Tallo V, Lupisan S, Oshitani H.
    • Journal Title

      J Infect Dis.

      Volume: 219 Pages: 197-205

    • DOI

      10.1093/infdis/jiy515.

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Transmission of Respiratory Syncytial Virus Among Children Under 5 Years in Households of Rural Communities, the Philippines.2019

    • Author(s)
      Otomaru H, Kamigaki T, Tamaki R, Okamoto M, Alday PP, Tan AG, Manalo JI, Segubre-Mercado E, Inobaya MT, Tallo V, Lupisan S, Oshitani H.
    • Journal Title

      Open Forum Infect Dis.

      Volume: 6 Pages: ofz045

    • DOI

      10.1093/ofid/ofz045.

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Age-specific incidence rates and risk factors for respiratory syncytial virus-associated lower respiratory tract illness in cohort children under 5 years old in the Philippines.2019

    • Author(s)
      Ueno F, Tamaki R, Saito M, Okamoto M, Saito-Obata M, Kamigaki T, Suzuki A, Segubre-Mercado E, Aloyon HD, Tallo V, Lupisan SP, Oshitani H; RSV Working Group in the Philippines.
    • Journal Title

      Influenza Other Respir Viruses.

      Volume: 00 Pages: 1-15

    • DOI

      10.1111/irv.12639.

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Aetiology and risks factors associated with the fatal outcomes of childhood pneumonia among hospitalised children in the Philippines from 2008 to 2016: a case series study.2019

    • Author(s)
      Dembele BPP, Kamigaki T, Dapat C, Tamaki R, Saito M, Saito M, Okamoto M, Igoy MAU, Mercado ES, Mondoy M, Tallo VL, Lupisan SP, Egawa S, Oshitani H.
    • Journal Title

      BMJ Open.

      Volume: 9 Pages: e026895

    • DOI

      10.1136/bmjopen-2018-026895.

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Concurrent Community Transmission of Enterovirus D68 With Human Rhinoviruses and Respiratory Syncytial Virus Among Children in Sendai, Japan.2018

    • Author(s)
      Metoki T, Okamoto M, Suzuki A, Kitaoka S, Miyabayashi H, Rokugo Y, Onuma R, Noguchi R, Sato T, Watanabe Y, Ohmiya S, Sato K, Nishimura H, Oshitani H, Kumaki S.
    • Journal Title

      Pediatr Infect Dis J

      Volume: 37 Pages: 394-400

    • DOI

      10.1097/INF.0000000000001768

    • Peer Reviewed
  • [Journal Article] Complete Genome Sequences of 13 Human Respiratory Syncytial Virus Subgroup A Strains of Genotypes NA1 and ON1 Isolated in the Philippines.2018

    • Author(s)
      Malasao R, Furuse Y, Okamoto M, Dapat C, Saito M, Saito-Obata M, Tamaki R, Segubre-Mercado E, Lupisan S, Oshitani H.
    • Journal Title

      Genome Announc

      Volume: 6 Pages: e00151-18

    • DOI

      10.1128/genomeA.00151-18

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Molecular Characterization of Respiratory Syncytial Virus in Children With Repeated Infections With Subgroup B in the Philippines.2018

    • Author(s)
      Okamoto M, Dapat CP, Sandagon AMD, Batangan-Nacion LP, Lirio IC, Tamaki R, Saito M, Saito-Obata M, Lupisan SP, Oshitani H.
    • Journal Title

      J Infect Dis.

      Volume: 218 Pages: 1045-1053

    • DOI

      10.1093/infdis/jiy256.

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Complete Genome Sequences of 12 Human Respiratory Syncytial Virus (Human Orthopneumovirus) Strains Detected in Children with Repeated Subgroup B Infections in the Philippines.2018

    • Author(s)
      Okamoto M, Sakamoto M, Dapat C, Saito M, Saito-Obata M, Tamaki R, Lupisan SP, Oshitani H.
    • Journal Title

      Microbiol Resour Announc.

      Volume: 7 Pages: e01017-18

    • DOI

      10.1128/MRA.01017-18.

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Epidemiology of respiratory syntial virus infections reported through ILI and sARI surveiilance in border province, Mongolia, 2013-2014.2018

    • Author(s)
      Kamigaki T
    • Organizer
      11th International RSV Symposium.
    • Int'l Joint Research
  • [Presentation] Molecular characterization of respiratory syncytial virus in children with repeated infections with subgroup B in the Philippines. 11th International RSV Symposium.2018

    • Author(s)
      Okamoto M
    • Organizer
      11th International RSV Symposium.
    • Int'l Joint Research
  • [Presentation] A study to evaluate transmissibility among children aged under 5 years in households and its application to a cohort community in the Philippines.2018

    • Author(s)
      Otomaru H
    • Organizer
      11th International RSV Symposium.
    • Int'l Joint Research
  • [Presentation] Cohort studies on infectious diseases in the Philippines for establishing future strategies.2018

    • Author(s)
      Oshitani H
    • Organizer
      第59回日本熱帯医学会大会
    • Invited
  • [Presentation] Burden of RSV and Ideal Vaccination Strategies Through Global Infectious Disease Surveillance Network.2018

    • Author(s)
      Oshitani H
    • Organizer
      第9回アジア小児感染症学会
    • Int'l Joint Research / Invited
  • [Presentation] A systematic review of hospitalization rate and case fatality rate for RSV infections.2018

    • Author(s)
      Ikuma R
    • Organizer
      第9回アジア小児感染症学会
    • Int'l Joint Research
  • [Presentation] Expression and Analysis of Fusion(F)Protein of Respiratory Syncytial Virus(RSV).2018

    • Author(s)
      Bastola S
    • Organizer
      11th Vietnam Japan Scientific Exchange Meeting.
    • Int'l Joint Research
  • [Remarks] 東北大学大学院医学系研究科・微生物学分野

    • URL

      http://www.virology.med.tohoku.ac.jp/ja/index.html

URL: 

Published: 2019-12-27  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi