• Hum Vaccin Immunother · Sep 2017

    Review

    A safe and efficient BCG vectored vaccine to prevent the disease caused by the human Respiratory Syncytial Virus.

    • Emma Rey-Jurado, Jorge Soto, Nicolás Gálvez, and Alexis M Kalergis.
    • a Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas , Pontificia Universidad Católica de Chile , Santiago , Chile.
    • Hum Vaccin Immunother. 2017 Sep 2; 13 (9): 2092-2097.

    AbstractThe human Respiratory Syncytial Virus (hRSV) causes lower respiratory tract infections including pneumonia and bronchiolitis. Such infections also cause a large number of hospitalizations and affects mainly newborns, young children and the elderly worldwide. Symptoms associated with hRSV infection are due to an exacerbated immune response characterized by low levels of IFN-γ, recruitment of neutrophils and eosinophils to the site of infection and lung damage. Although hRSV is a major health problem, no vaccines are currently available. Different immunization approaches have been developed to achieve a vaccine that activates the immune system, without triggering an unbalanced inflammation. These approaches include live attenuated vaccine, DNA or proteins technologies, and the use of vectors to express proteins of the virus. In this review, we discuss the host immune response to hRSV and the immunological mechanisms underlying an effective and safe BCG vectored vaccine against hRSV.

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