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Contagious means transmissible by direct or indirect contact with an infected person, or capable of spreading a contagious disease to others. It can also mean exciting similar emotions or conduct in others, or used for contagious diseases. See synonyms, examples, etymology, and related words.
Learn the meaning of contagious as an adjective for diseases, people, or feelings that spread easily. See how to use contagious in sentences and compare it with irony.
- Overview
- Symptoms
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COVID-19, also called coronavirus disease 2019, is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2, or more commonly, SARS-CoV-2. It started spreading at the end of 2019 and became a pandemic disease in 2020. The virus that causes COVID-19 spreads most commonly through the air in tiny droplets of fl...
Typical COVID-19symptoms often show up 2 to 14 days after contact with the virus. Symptoms can include: 1. Dry cough. 2. Shortness of breath. 3. Loss of taste or smell. 4. Extreme tiredness, called fatigue. 5. Digestive symptoms such as upset stomach, vomiting or loose stools, called diarrhea. 6. Pain, such as headaches and body or muscle aches. 7....
COVID-19is caused by infection with the severe acute respiratory syndrome coronavirus 2, also called SARS-CoV-2. The coronavirus spreads mainly from person to person, even from someone who is infected but has no symptoms. When people with COVID-19 cough, sneeze, breathe, sing or talk, their breath may be infected with the COVID-19virus. The coronav...
The main risk factors for COVID-19are: 1. If someone you live with has COVID-19. 2. If you spend time in places with poor air flow and a higher number of people when the virus is spreading. 3. If you spend more than 30 minutes in close contact with someone who has COVID-19. Many factors affect your risk of catching the virus that causes COVID-19. H...
Complications of COVID-19include long-term loss of taste and smell, skin rashes, and sores. The illness can cause trouble breathing or pneumonia. Medical issues a person already manages may get worse. Complications of severe COVID-19illness can include: 1. Acute respiratory distress syndrome, when the body's organs do not get enough oxygen. 2. Shoc...
The Centers for Disease Control and Prevention (CDC) recommends a COVID-19 vaccine for everyone age 6 months and older. The COVID-19 vaccine can lower the risk of death or serious illness caused by COVID-19. It lowers your risk and lowers the risk that you may spread it to people around you. The COVID-19vaccines available in the United States are: ...
COVID-19 is a contagious illness caused by a virus that can lead to serious complications and death. Learn about the symptoms, causes, diagnosis, treatment and prevention of COVID-19 from Mayo Clinic experts.
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Contagious disease. A contagious disease is an infectious disease that is readily spread (that is, communicated) by transmission of a pathogen through contact (direct or indirect) with an infected person. [1] A disease is often known to be contagious before medical science discovers its causative agent. Koch's postulates, which were published ...
Learn how long you can spread the flu to others before and after you feel sick, and how to prevent the flu with vaccination and hand hygiene. Find out when to stay home and when to return to work or school after recovering from the flu.
Apr 9, 2024 · Learn about COVID-19, a contagious disease caused by a virus named SARS-CoV-2, and how it affects your health and community. Find out how to prevent, treat, and monitor COVID-19 and its variants.
Aug 23, 2023 · Learn about the different types of viral infections, how they are transmitted, and how to treat them. Find out how to prevent viral infections with vaccines and good hygiene habits.
