
Cold and flu are common viral infections that affect the respiratory system. Here's a quick breakdown:ColdSymptoms: Runny or stuffy nose, sneezing, sore throat, mild cough, mild fatigue, and sometimes a low-grade fever.Onset: Symptoms usually appear gradually.Duration: Typically lasts 7–10 days.Cause: Often caused by rhinoviruses, but many other viruses can be responsible.Treatment:...