as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create three questions related to the spread of viruses.
user
1. what are the common ways that viruses spread? 
2. what are some preventive measures to reduce the spread of viruses?
3. how can we protect vulnerable populations from virus spread?
assistant