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23 Νοε 2022 · Viral infections are any illness you get from a virus (a small germ that uses your cells to reproduce). Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores). Many viruses go away on their own, but some cause life-threatening or chronic illnesses.
17 Φεβ 2023 · Some viruses cause sickness, like common colds, the flu, and food poisoning. Symptoms of a viral infection include fever, pain, nausea, diarrhea, cough, congestion, shortness of breath, rashes, warts, and many others.
21 Ιουν 2023 · A viral disease is any condition that’s caused by a virus. There are several types of viral disease, depending on the underlying virus. We’ll go over some of the main types, including how they ...
Viral infections in humans can cause no symptoms or make you extremely ill. Types of diseases they can cause include: Respiratory illnesses. Diarrhea and vomiting. Sexually transmitted infections (STIs). Skin conditions. A virus is a small piece of genetic information in a “carrying case” — a protective coating called a capsid.
8 Νοε 2023 · Some of the diseases that viruses can cause include the common cold, the flu, COVID-19, and HIV. How are viruses spread? Viruses can be spread in different ways: Through droplets and particles that are breathed out by someone who has the infection. You might breathe in the droplets or particles, or they could land on your mouth, nose, or eyes.
21 Απρ 2023 · Viruses are biological entities that can only thrive and multiply in a host, which is a living organism such as a human, an animal, or a plant. Some viruses cause disease. For example, severe...
18 Φεβ 2022 · Infectious diseases can be caused by: Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS. Fungi.
