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1. www.mayoclinic.org › diseases-conditionsInfectious diseases - Symptoms & causes - Mayo Clinic

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   Feb 18, 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.

2. my.clevelandclinic.org › health › diseasesInfectious Disease: Types, Causes & Treatments - Cleveland Clinic

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   What are the symptoms of infectious diseases? Symptoms of infectious diseases depend on the type of illness. Fungal infections usually cause localized symptoms, like rash and itching. Viral and bacterial infections can have symptoms in many areas of your body, like: Fever. Chills. Congestion. Cough. Fatigue. Muscle aches and headache.

3. my.clevelandclinic.org › health › diseasesViral Infection: Causes, Symptoms, Tests & Treatment

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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.

4. People also ask

   Are infectious disease problems related to other medical conditions?

   • Many infectious disease problems are often related to other medical conditions. Our infectious disease specialists work closely with doctors in many specialty areas to make sure you get exactly the care you need.

   Infectious Diseases - Overview - Mayo Clinic

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   What are some serious complications of infectious diseases?

   • Serious and life-threatening complications of various infectious diseases include: Dehydration: Fever, vomiting, diarrhea. Pneumonia: Respiratory illness (viral or bacterial). Sepsis: Bacterial infections. Meningitis (swelling of the brain): Multiple causes, including bacterial, viral, fungal and parasitic infections. AIDS: HIV.

   Infectious Disease: Types, Causes & Treatments - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/17724-infectious-diseases

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   How long do viral infections last?

   • Viral infections can vary a lot in how long they last, for instance: Respiratory infections can last a few days to two weeks. A wart on your skin can last for a year or longer. Hepatitis B and C can cause chronic infections that last for years. HIV infections aren’t curable and are lifelong.

   Viral Infection: Causes, Symptoms, Tests & Treatment - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/24473-viral-infection

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5. www.mayoclinichealthsystem.org › topics › infectiousInfectious Diseases Information - Mayo Clinic Health System

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   Mar 20, 2024 · Infectious Diseases. Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful, but some organisms under certain conditions may cause disease.

6. www.who.int › health-topics › coronavirusCoronavirus disease (COVID-19) - World Health Organization (WHO)

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   Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention. Older people and those with underlying medical ...