Journal
BMB REPORTS
Volume 44, Issue 4, Pages 232-237Publisher
KOREAN SOCIETY BIOCHEMISTRY & MOLECULAR BIOLOGY
DOI: 10.5483/BMBRep.2011.44.4.232
Keywords
Pathogenesis; Protection; Respiratory syncytial virus; Vaccine; Vaccine strategy
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Funding
- Korea Government (MEST) [2011-0006244]
- National Research Foundation of Korea [2010-0007002] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Human respiratory syncytial virus (HRSV) is a major cause of upper and lower respiratory tract illness in infants and young children worldwide. Despite its importance as a respiratory pathogen, there is currently no licensed vaccine for prophylaxis of HRSV infection. There are several hurdles complicating the development of a RSV vaccine: 1) incomplete immunity to natural RSV infection leading to frequent re-infection, 2) immature immune system and maternal antibodies of newborn infants who are the primary subject population, and 3) imbalanced Th2-biased immune responses to certain vaccine candidates leading to exacerbated pulmonary disease. After the failure of an initial trial featuring formalin-inactivated virus as a RSV vaccine, more careful and deliberate efforts have been made towards the development of safe and effective RSV vaccines without vaccine-enhanced disease. A wide array of RSV vaccine strategies is being developed, including live-attenuated viruses, protein subunit-based, and vector-based candidates. Though licensed vaccines remain to be developed, our great efforts will lead us to reach the goal of attaining safe and effective RSV vaccines in the near future. [BMB reports 2011; 44(4): 232-237]
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