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Nov 23, 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.
Jan 18, 2022 · The flu (influenza) affects only your respiratory system — your nose, throat and lungs. Gastroenteritis, on the other hand, attacks your intestines, causing signs and symptoms such as: Watery, usually nonbloody diarrhea — bloody diarrhea usually means you have a different, more severe infection. Nausea, vomiting or both. Stomach cramps and ...
Nov 23, 2023 · Viruses are tiny infectious agents that invade and multiply inside a living organism, and viral infections are caused when the host cells of the body react to viruses. While there are several types of viral infections, such as chickenpox, AIDS, common cold, influenza, and dengue, common childhood viral infections are respiratory diseases (1).
Nov 21, 2019 · Bacterial infections are caused by bacteria, while viral infections are caused by viruses. That's the easy part. Differentiating between the two requires medical intervention since both may cause fever and irritability. And the treatments vary significantly. Pediatrician Betty Staples, MD, offers advice on how to tell the difference between ...
Apr 18, 2024 · 2. Pay attention to the color of your mucus. When you blow your nose or cough up mucus, pay attention to the color. While it may feel a little gross, color can be an indicator of whether you have a viral or bacterial infection. Thin and clear mucus is more likely to be a viral infection.
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Jan 10, 2023 · Upper respiratory infections in children can cause issues with breathing. Children’s heart rate and breathing rates increase with a fever, and improve once the fever is controlled. If a child is still breathing fast after the fever resolves, you should seek medical attention, as this can signify respiratory distress.
Oct 4, 2023 · Meningitis is an infection and inflammation of the fluid and membranes surrounding the brain and spinal cord. These membranes are called meninges. The inflammation from meningitis typically triggers symptoms such as headache, fever and a stiff neck. Most cases of meningitis in the United States are caused by a viral infection.
