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Questions and Answers
What is the primary function of vaccines?
What is the primary function of vaccines?
- Suppress the immune system to prevent overreaction to pathogens
- Directly kill harmful pathogens in the body
- Provide nourishment to the immune system for better functioning
- Stimulate the immune system to defend against harmful pathogens (correct)
Which virus caused the 2009 pandemic known as 'swine flu'?
Which virus caused the 2009 pandemic known as 'swine flu'?
- H1N1 influenza A virus (correct)
- H7N9 avian influenza virus
- H3N2 influenza B virus
- H5N1 avian influenza virus
What was the impact of the 1918 flu pandemic?
What was the impact of the 1918 flu pandemic?
- It led to a significant decrease in animal populations
- It killed 20 million humans
- It caused widespread crop failure
- It killed 40 million humans (correct)
Which flu pandemic killed approximately 40 million humans in 1918?
Which flu pandemic killed approximately 40 million humans in 1918?
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What is the primary source of the 'swine flu' virus, H1N1?
What is the primary source of the 'swine flu' virus, H1N1?
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What is the purpose of vaccines?
What is the purpose of vaccines?
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