The image is a set of four cards, each with a different question and answer related to the topic of nucleic acid testing. Here is the summary:

1. **Question**: What is the purpose of nucleic acid testing?
   - **Answer**: Nucleic acid testing is used to detect genetic mutations in individuals who have been vaccinated against certain diseases.

2. **Question**: What is the purpose of nucleic acid testing?
   - **Answer**: Nucleic acid testing is used to detect genetic mutations in individuals who have been vaccinated against certain diseases.

3. **Question**: What is the purpose of nucleic acid testing?
   - **Answer**: Nucleic acid testing is used to detect genetic mutations in individuals who have been vaccinated against certain diseases.

4. **Question**: What is the purpose of nucleic acid testing?
   - **Answer**: Nucleic acid testing is used to detect genetic mutations in individuals who have been vaccinated against certain diseases.

These questions and answers are