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Live attenuated influenza vaccine
1MedImmune LLC, 297 North Bernardo Avenue, Mountain View, CA, 94043, USA, jinh@medimmune.com.
Current Topics in Microbiology and Immunology
|July 26, 2014
Summary
Live attenuated influenza vaccine (LAIV) offers easy administration and broad protection against seasonal and pandemic influenza strains. This review covers current LAIV status and future pandemic preparedness.
Area of Science:
- Virology
- Immunology
- Vaccinology
Background:
- Live attenuated influenza vaccine (LAIV) has been available in the USA since 2003.
- LAIV is efficacious against influenza infection, offering easy administration for mass immunization.
- Current seasonal LAIV includes four strains for broad coverage against circulating influenza A and B lineages.
Purpose of the Study:
- To review the current status of seasonal and pandemic Live Attenuated Influenza Vaccine (LAIV).
- To discuss the perspectives and preparedness for future influenza pandemics using LAIV.
- To highlight the role of LAIV in public health and disease control.
Main Methods:
- Review of existing literature on seasonal and pandemic Live Attenuated Influenza Vaccine (LAIV).
- Analysis of LAIV's efficacy, administration, and cross-reactivity to drifted strains.
- Evaluation of LAIV's role in past pandemics and future preparedness.
Main Results:
- LAIV demonstrates efficacy against influenza infection and is suitable for mass immunization.
- LAIV provides cross-reactivity to drifted strains, enhancing coverage and aiding herd immunity.
- LAIV has been evaluated for pandemic preparedness, with several pandemic vaccine subtypes produced and studied.
Conclusions:
- Live attenuated influenza vaccine (LAIV) is a valuable tool for seasonal influenza control and pandemic preparedness.
- LAIV's characteristics, including ease of administration and broad coverage, support its use in public health strategies.
- Ongoing research and development of LAIV are crucial for effective influenza management and response.
