Westonci.ca is the premier destination for reliable answers to your questions, provided by a community of experts. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

During previous flu seasons, small variations in the influenza virus resulted in the immune system's inability to full recognize and respond to flu exposure. As a result, the vaccine was less than 30% effective. This is an example of _____.

Sagot :

This is an example of antigenic drift.

What is antigenic drift?

Antigenic drift is defined as the changes that occur during replication in the genes encoding antigens in an organism due to mutations.

When these mutations occur in virus such as the influenza virus, the immune system would not be able to fully recognise the new viral mutant thereby rendering the administered vaccine less effective.

Learn more about vaccines here:

https://brainly.com/question/625596

#SPJ1