Related Experiment Video
Updated: Jan 16, 2026
08:52
Use of an Influenza Antigen Microarray to Measure the Breadth of Serum Antibodies Across Virus Subtypes
Published on: July 26, 2019
8.5K
Influenza Vaccines: Current Status, Adjuvant Strategies, and Efficacy
Vijay Reddy Mokalla1, Shirisha Gundarapu2, Radhey S Kaushik2
1Department of Pharmaceutical Sciences, College of Pharmacy & Allied Health Professions, South Dakota State University, Brookings, SD 57007, USA.
Vaccines
|September 27, 2025
Summary
Influenza vaccines are crucial for public health, but viral mutations necessitate improved strategies. Vaccine adjuvants enhance immune response and durability, offering a promising path toward a universal flu vaccine for lasting protection.
Area of Science:
- Virology
- Immunology
- Public Health
Background:
- Influenza virus poses a significant global health threat due to frequent genetic changes (antigenic drift and shift).
- These mutations result in new strains that evade immunity, leading to seasonal epidemics and pandemic potential.
- Current vaccination strategies face challenges in keeping pace with viral evolution.
Purpose of the Study:
- To review the current status of influenza virus vaccines, their benefits, and challenges.
- To highlight the critical role of vaccine adjuvants in enhancing immune responses and vaccine efficacy.
- To explore the potential of adjuvants in developing a universal influenza vaccine.
Main Methods:
- Literature review of current influenza vaccine technologies.
- Analysis of the mechanisms and impact of vaccine adjuvants on immune responses.
- Discussion of challenges and future directions in influenza vaccine development.
Main Results:
- Vaccine adjuvants improve immune response potency, breadth, and durability.
- Adjuvants can reduce the antigen dose required, valuable for rapidly evolving strains and pandemics.
- Advances in adjuvant formulation show promise in reducing influenza-related losses.
Conclusions:
- Adjuvants are essential for boosting influenza vaccine effectiveness against diverse and evolving strains.
- Further research into adjuvant methodologies is key to overcoming current vaccine limitations.
- Adjuvants hold significant potential for the development of a universal flu vaccine offering broad, long-lasting protection.
