4 Questions
Which infectious disease has been worldwide eradicated by human intervention?
Smallpox
What is the most effective method for protecting individuals against infections?
Stimulating immune responses through vaccination
What is the term used to describe the immunity developed in a large fraction of the population as a result of vaccination or natural infection?
Herd immunity
Which infectious disease does not have herd immunity or an effective vaccine in many parts of the world?
Human immunodeficiency virus (HIV)/AIDS
Test your knowledge about the immune system and its role in preventing and eradicating infections, as well as the use of vaccination for protection. Learn about the significance of immune responses in fighting off microbes and the impact on global health.
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