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  1. Infection - Wikipedia

    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 …

  2. Infection: Types, causes, and differences - Medical News Today

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

  3. Infectious diseases - Symptoms & causes - Mayo Clinic

    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 …

  4. Bacterial Infection: Causes, Symptoms, Treatment & Prevention

    Bacterial infections are diseases that can affect your skin, lungs, brain, blood and other parts of your body. You get them from single-celled organisms multiplying or releasing toxins in your body. …

  5. What Is an Infection? Causes, Types, Symptoms & Treatment ...

    6 days ago · What Is an Infection? An infection is a condition caused by harmful microorganisms such as bacteria, viruses, fungi, or parasites invading the body. These pathogens disrupt normal bodily …

  6. Infection | Description, Infectious Organisms, Transmission, Prevention ...

    Feb 21, 2026 · 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.

  7. Infection Symptoms: Signs of Common Bacterial and Viral Infections

    Sep 7, 2025 · An infection is the invasion of the body by a disease-causing organism called a pathogen. Infections can be caused by a wide range of pathogens, including bacteria, viruses, fungi, and …

  8. Home | Infection | Springer Nature Link

    Infection is a peer-reviewed journal dedicated to presenting and discussing clinically relevant information on infectious diseases globally. Covers etiology, pathogenesis, diagnosis and treatment of infectious …

  9. 10 Types of infections | Hola Health

    Jul 11, 2025 · Infections take place when harmful microorganisms invade the body and multiply, resulting in illness. These microorganisms include viruses, bacteria, fungi, and parasites. In Australia, …

  10. INFECTION Definition & Meaning - Merriam-Webster

    The meaning of INFECTION is the state produced by the establishment of one or more pathogenic agents (such as bacteria, protozoans, or viruses) in or on the body of a suitable host.