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Herpesvirus vaccines: an update
R Jennings1, T Green, G R Kinghorn
1Division of Molecular and Genetic Medicine and Sheffield Institute for Vaccine Studies, Sheffield, England.
Summary
Developing effective herpesvirus vaccines is crucial for public health. Current research explores various vaccine strategies, including live attenuated and subunit vaccines, to combat latent herpesvirus infections.
Area of Science:
- Virology
- Immunology
- Vaccinology
Background:
- Herpesviruses cause diverse diseases in immunocompetent and immunocompromised individuals.
- These viruses establish latent infections, necessitating both prophylactic and therapeutic vaccine approaches.
- Advancements in molecular microbiology and genetic engineering drive vaccine development.
Purpose of the Study:
- To review current vaccine strategies against herpesviruses.
- To highlight challenges and successes in developing herpesvirus vaccines.
- To explore novel vaccine technologies for existing and emerging herpesviruses.
Main Methods:
- Review of existing literature on herpesvirus vaccine development.
- Analysis of various vaccine formulations: live attenuated, inactivated, subunit, and vector-based.
- Examination of clinical and immunological assessment methodologies.
Main Results:
- Live attenuated vaccines for varicella-zoster virus (VZV) and cytomegalovirus (CMV) show efficacy.
- Herpes simplex virus (HSV) glycoprotein vaccines demonstrate immunogenicity but limited efficacy in reducing seroconversion.
- Newer technologies like plasmid and engineered live vectors are being developed.
Conclusions:
- Vaccine development for herpesviruses is complex due to their latent nature.
- Existing vaccines (VZV, CMV) offer protection, but challenges remain for HSV.
- Novel technologies hold promise for future vaccines against a broader range of herpesviruses, including HHV-6, 7, and 8.
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