Is it a cold or the flu?

Cold vs. flu
Signs and symptoms Influenza Cold
Fever Usually present Rare
Aches Usual, often severe Slight
Chills Fairly common Uncommon
Tiredness Moderate to severe Mild
Symptom onset Symptoms can appear within
three to six hours 
Symptoms gradually appear
Coughing Dry, unproductive cough Hacking, productive cough
Sneezing Uncommon Common
Stuffy nose Uncommon Common
Sore throat Uncommon Common
Chest discomfort Often severe Mild to moderate
Headache Common Uncommon