Too often, we ignore the common cold as a seasonal change. Common cold symptoms include sore throat, chest congestion, headache, sneezing, runny nose, etc.
The flu is less serious than a cold, but don't ignore it. Infectious respiratory illnesses are caused by influenza.
A sore throat is aggravating. But strep throat is terrible! Strep throat is a severe sore throat with fever from an infection.
Bronchitis is common among kids under 2. Respiratory syncytial virus causes bronchitis.
A typical winter lung ailment is pneumonia. Mild bacterial diseases can be treated at home. Severe ones may need hospitalization.