The word infection can denote any presence of a particular pathogen at all (no matter how little) but also is often used in a sense implying a clinically apparent infection (in other words, a case of infectious …

Apr 8, 2025 · Symptoms of infectious diseases vary depending on the cause of the infection. But they often include fever and tiredness. Rest and home remedies may clear up mild infections. But other …

Sep 19, 2025 · An infection occurs when a microorganism — such as bacteria, fungi, or a virus — enters a person’s body and begins multiplying.

Infection is the process by which harmful microorganisms such as bacteria, viruses, fungi, or parasites enter cells and tissues in the body and cause disease.

If you have an ongoing infection, frequent follow-ups with your provider can help ensure your condition doesn’t worsen. You should also talk to your provider if you plan to travel outside of the country you …

Infection Control Infections and Pregnancy Infections, Bacterial see Bacterial Infections Infections, Bladder see Urinary Tract Infections Infections, Fungal see Fungal Infections Infections, Viral see …

Dec 18, 2025 · This page details respiratory illnesses from bacteria and viruses other than COVID-19, flu, and RSV. It also shows the latest emergency department trends for conditions that various …