Pathogen Evolution Impacting Vaccines

The evolution of pathogens is a major challenge in the development and effectiveness of vaccines. As pathogens mutate, they may alter the antigens that trigger immune responses, potentially rendering previously developed vaccines less effective or ineffective against new strains. This is particularly evident in rapidly evolving viruses like influenza, HIV, and SARS-CoV-2. Mutations and genetic shifts in these viruses may lead to antigenic variation, meaning that the immune system may no longer recognize the pathogen in the same way. To address this issue, scientists are employing advanced techniques such as genomic surveillance and predictive modeling to track the evolution of pathogens and anticipate new variants. By understanding these evolutionary patterns, vaccine developers can design more adaptable and broad-spectrum vaccines that remain effective even as pathogens evolve, ensuring continued protection against emerging threats.

Committee Members
Speaker at International Vaccines Congress 2026 - Duccio Medini

Duccio Medini

BioForge, United States
Speaker at International Vaccines Congress 2026 - Jocelyn Jakubik

Jocelyn Jakubik

Apex Pathogen Solutions, United States
Speaker at International Vaccines Congress 2026 - Sergey V Suchkov

Sergey V Suchkov

N.D. Zelinskii Institute for Organic Chemistry of the Russian Academy of Sciences, Russian Federation
Speaker at International Vaccines Congress 2026 - Rosane Cuber Guimaraes

Rosane Cuber Guimaraes

Bio-Manguinhos/ Fiocruz, Brazil
IVC 2026 Speakers
Speaker at International Vaccines Congress 2026 - Zhujun Ao

Zhujun Ao

University of Manitoba, Canada
Speaker at International Vaccines Congress 2026 - Huanhuan Li

Huanhuan Li

Queen’s University Belfast, United Kingdom
Speaker at International Vaccines Congress 2026 - Madhu Khanna

Madhu Khanna

University of Delhi, India
Speaker at International Vaccines Congress 2026 - Ashish Kumar Maurya

Ashish Kumar Maurya

John Snow India, India
Speaker at International Vaccines Congress 2026 - Ayman H M El Deeb

Ayman H M El Deeb

Cairo University, Egypt
Speaker at International Vaccines Congress 2026 - Lei Chen

Lei Chen

Yikang Biotech Suzhou Co., Ltd, China
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