Flu Symptoms 2024 Nz. Influenza symptoms can include fever, chills, cough, sore throat, blocked or runny nose, muscle aches, joint pain, headaches, fatigue, and specifically in children,. At first, the flu may seem like a cold with a runny nose, sneezing and sore throat.
But all three have very similar symptoms that overlap. In older children and adults, the illness characteristically begins abruptly with fever and a variety of clinical symptoms, including chills, malaise, headache, myalgia, non.