Feeling sick can be confusing and stressful for anyone. You wake up with a sore throat or a fever. You wonder if you need to rush to the doctor. You might ask if you need antibiotics to get better quickly.
Understanding the illness is the first step to recovery. Most illnesses fall into two categories. These are viral illnesses and bacterial infections. They often share similar symptoms. This makes them hard to tell apart without medical help.
Flu symptoms 2026 often appear suddenly and can feel intense. Early recognition supports safer choices for work, school, and family contact.
Seasonal influenza is a contagious respiratory illness caused by the flu virus. It can cause mild to severe illness and sometimes leads to death.
Long COVID can affect daily life long after a COVID-19 infection ends. This guide explains the 12 key symptoms identified in large research studies. (Estimated time: 8 min read)
