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An In vitro Model to Study Immune Responses of Human Peripheral Blood Mononuclear Cells to Human Respiratory Syncytial Virus Infection
Published on: December 10, 2013
Progress in the development of respiratory syncytial virus and parainfluenza virus vaccines
1Center for Immunization Research, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA.
Insights
New live attenuated vaccines for respiratory syncytial virus (RSV) and human parainfluenza viruses (hPIVs) are in clinical trials. Recombinant technology enables fine-tuning of these candidate vaccines to accelerate development against these common respiratory pathogens.
Area of Science:
- Virology
- Vaccinology
- Pediatric Infectious Diseases
Background:
- Respiratory syncytial virus (RSV) and human parainfluenza viruses (hPIVs) are significant causes of viral lower respiratory tract illness in children and at-risk adults.
- Despite extensive research, there are currently no licensed vaccines available for RSV and hPIVs.
Purpose of the Study:
- To highlight the recent advancements in the development of live attenuated vaccines for RSV and hPIVs.
- To discuss the potential of recombinant technology in accelerating vaccine development against these respiratory viruses.
Main Methods:
- Generation of genetically engineered live attenuated RSV and hPIV candidate vaccines.
- Evaluation of these candidate vaccines in ongoing clinical trials.
Main Results:
- Several genetically engineered live attenuated RSV and hPIV candidate vaccines have been developed.
- These candidate vaccines are currently undergoing clinical evaluation.
Conclusions:
- Live attenuated vaccine candidates for RSV and hPIVs show promise for future prevention strategies.
- Recombinant technology offers a flexible approach to optimize vaccine candidates based on clinical data, potentially speeding up the availability of vaccines for these critical respiratory pathogens.
Abstract:
Respiratory syncytial virus (RSV) and human parainfluenza viruses (hPIVs) are leading causes of viral lower respiratory tract illness in children and in high-risk adult populations. Despite decades of research, licensed vaccines for RSV and hPIVs do not exist. Recently, however, genetically engineered live attenuated RSV and hPIV candidate vaccines have been generated, several of which are already being evaluated in clinical trials. Recombinant technology allows candidate vaccines to be "fine-tuned" in response to clinical data, which should hasten the development of vaccines against these important respiratory pathogens.
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