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

    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 functions and …

  5. Infection Control Basics | Infection Control | CDC

    Jun 12, 2025 · Germs are a part of everyday life. Germs live in our air, soil, water and in and on our bodies. Some germs are helpful, others are harmful. An infection occurs when germs enter the body, …

  6. 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 …

  7. Infectious Diseases: Types, Causes & Treatments

    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 …

  8. 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 …

  9. What Are the 4 Types of Infections? - MedicineNet

    Infection occurs when germs enter your body and multiply, resulting in disease. The four main types of infections are viral, bacterial, fungal, and parasitic.

  10. Bacterial vs. Viral Infections: The Differences Explained

    Jun 2, 2024 · What’s the difference between a bacterial and viral infection? WebMD explains, and provides information on the causes and treatments for both.