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- Infection: Bacterial or viral? - Mayo Clinic
Viruses Viruses are bits of genetic information, either RNA or DNA, surrounded by protein A virus needs a living host, such as a person, plant or animal To spread, a virus gets into a host's body and then into the host's cells Then it takes over the host cell's machinery, using it to make more of the virus Diseases caused by viruses include:
- Germs: Protect against bacteria, viruses and infections
Viruses are responsible for causing many diseases, including: Common cold Influenza Measles Chickenpox and shingles Coronavirus disease 2019, also called COVID-19 Antibiotics kill or block activities bacteria need to live or grow, but antibiotics don't work on viruses Medicine that treats viral infections is called an antiviral
- Infectious diseases - Symptoms causes - Mayo Clinic
Viruses These microscopic germs are even smaller than bacteria They cause many diseases, including the common cold, COVID-19 and HIV Fungi These cause many skin diseases, such as ringworm and athlete's foot Other types of fungi can infect the lungs, eyes, liver or brain Parasites
- Infectious diseases - Diagnosis treatment - Mayo Clinic
Antibiotics have no effect on illnesses caused by viruses But sometimes it's hard to tell which type of germ is at work For example, pneumonia can be caused by a bacterium, a virus, a fungus or a parasite The overuse of antibiotics is a problem Bacteria can change in response to these medicines
- Viral gastroenteritis (stomach flu) - Symptoms causes - Mayo Clinic
Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by
- Common cold - Symptoms and causes - Mayo Clinic
Many viruses can cause a common cold Rhinoviruses are the most common cause A cold virus enters the body through the mouth, eyes or nose The virus can spread by: Droplets in the air when someone who is sick coughs, sneezes or talks Hand-to-hand contact with someone who has a cold
- Human metapneumovirus (HMPV): Symptoms and prevention
HMPV can have some similar symptoms to the common cold, coronavirus disease 2019 (COVID-19) or respiratory syncytial virus (RSV) If you have serious symptoms of any respiratory illness, your healthcare professional may suggest testing Lab tests to tell which viruses are in your system can help the healthcare team know the best treatment options
- Treating COVID-19 at home: Care tips for you and others
Providing care at home for a person sick with COVID-19? Or caring for yourself at home? Understand when emergency care is needed and what you can do to prevent the spread of infection If you have COVID-19, also called coronavirus disease 2019, you may have some questions COVID-19 can affect people
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