Genetic variation and vaccine match of influenza B virus in Riyadh, Saudi Arabia during three consecutive seasons, 2020-2023.

Abstract excerpt

In Saudi Arabia, where millions from different countries converge on the holy sites of Makkah and Madina, surveillance of respiratory viruses, especially influenza viruses, is of utmost importance. The influenza B virus (IBV) is constantly changing genetically, which affects vaccine effectiveness and immune evasion. While IBV epidemiology has been studied extensively around the world, little is known about its...

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• Antigenic Variation
• Evolution, Molecular
• Hemagglutinin Glycoproteins, Influenza Virus
• Influenza B virus
• Influenza, Human