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.
What Is the Flu? Influenza, commonly known as the flu, is a highly contagious viral infection of the respiratory tract. It affects all age groups, though kids tend to get it more often than adults. In the United States, flu season runs from October to May, with most cases happening between late December and early March.