A nurse in an acute care facility is collecting data from a client who has received the meningococcal conjugate vaccine. The nurse should monitor the client for which of the following findings as an adverse effect of the vaccine?

A. Blurred vision is not a common adverse effect of the meningococcal conjugate vaccine. B. Dry mouth is not a common adverse effect of the meningococcal conjugate vaccine. C. Tinnitus is not a common adverse effect of the meningococcal conjugate vaccine. D. Headache is a common side effect after receiving the meningococcal conjugate vaccine.