Word story Expand. Hypochondriac comes ultimately from the Greek word hypokhondria, which literally means âunder the cartilage (of the breastbone).â In the late 16th century, when hypochondriac first entered the English language, it referred to the upper abdomen.
Cold symptoms usually begin with a sore throat, which usually goes away after a day or two. Nasal symptoms, runny nose, and congestion follow, along with a cough by the fourth and fifth days. Fever is uncommon in adults, but a slight fever is possible.
Flu symptoms usually start within  one to four days after infection, and they may come on suddenly. The first sign of influenza is often a fever or chills, followed by headache, sore throat, dry cough, runny nose, muscle aches, and fatigue.