Symptoms Of Flu 2024 Nz. The flu vaccine is free for those who are most vulnerable to becoming very sick if they get the flu.  — influenza symptoms can include fever, chills, cough, sore throat, blocked or runny nose, muscle aches, joint pain, headaches, fatigue, and specifically in children,.

The flu vaccine is free for those who are most vulnerable to becoming very sick if they get the flu.  — what is influenza a?