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
guess the missing words in the following sentence: as the pandemic ____, the need for a vaccine has become increasingly ____.
user
as the pandemic persists, the need for a vaccine has become increasingly urgent.
assistant