Coronavirus Disease 2019 (COVID-19) Special Information
The coronavirus disease 2019 (COVID-19), which used to be called the novel coronavirus (2019-nCoV), is a new type of coronavirus. It causes respiratory illness in people. It was first identified in Wuhan, China.
COVID-19 can spread from person to person. This usually happens through respiratory droplets – when someone with the virus coughs or sneezes, and you breathe it in. Most often, you need to be close to the person (within 6 feet) for it to spread this way. It might be possible to get COVID-19 by touching a surface or object that has the virus on it and then touching your own mouth, nose, or possibly your eyes. But this is not thought to be the main way the virus spreads.
There are some cases of COVID-19 in the United States. See the Centers for Disease Control and Prevention’s Situation Summary for the most current information on the number of cases, where they are located, and the risk to the community.
COVID-19 can cause respiratory illness that ranges from mild to severe or even deadly. The symptoms usually start between 2 to 14 days after you get infected. They include
- Fever
- Cough
- Shortness of breath
Many of the people who have a COVID-19 infection have pneumonia in both lungs.
What are coronavirus infections?
Coronaviruses are a group of common viruses. They are named for the crown-like spikes on the surface of the virus. Some coronaviruses only affect animals, but others can also affect humans. Most people get infected with human coronaviruses at some time in their life. They usually cause mild to moderate upper-respiratory infections, like the common cold. But they can also cause more severe illnesses such as bronchitis and pneumonia.
There are several different types of human coronaviruses, including coronavirus disease 2019 (COVID-19) and the Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS) coronaviruses.
How COVID-19 Spreads
Person-to-person spread
The virus is thought to spread mainly from person-to-person.
- Between people who are in close contact with one another (within about 6 feet).
- Through respiratory droplets produced when an infected person coughs or sneezes.
These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.
Can someone spread the virus without being sick?
- People are thought to be most contagious when they are most symptomatic (the sickest).
- Some spread might be possible before people show symptoms; there have been reports of this occurring with this new coronavirus, but this is not thought to be the main way the virus spreads.
Spread from contact with infected surfaces or objects
It may be possible that a person can get COVID-19 by touching a surface or object that has the virus on it and then touching their own mouth, nose, or possibly their eyes, but this is not thought to be the main way the virus spreads.
How easily the virus spreads
How easily a virus spreads from person-to-person can vary. Some viruses are highly contagious (spread easily), like measles, while other viruses do not spread as easily. Another factor is whether the spread is sustained, spreading continually without stopping.
The virus that causes COVID-19 seems to be spreading easily and sustainably in the community (“community spread”) in some affected geographic areas.
Community spread means people have been infected with the virus in an area, including some who are not sure how or where they became infected.
Situation in U.S.
- Imported cases of COVID-19 in travelers have been detected in the U.S.
- Person-to-person spread of COVID-19 was first reported among close contacts of returned travelers from Wuhan.
- During the week of February 23, CDC reported community spread of the virus that causes COVID-19 in California (in two places), Oregon and Washington. Community spread in Washington resulted in the first death in the United States from COVID-19, as well as the first reported case of COVID-19 in a health care worker, and the first potential outbreak in a long-term care facility.
Who is at risk for coronavirus infections?
Anyone can get a coronavirus infection, but young children are most likely to get infected. In the United States, infections are more common in the fall and winter.
What are the symptoms of coronavirus infections?
Reported illnesses have ranged from mild symptoms to severe illness and death for confirmed coronavirus disease 2019 (COVID-19) cases.
The symptoms depend on the type of coronavirus and how serious the infection is. The following symptoms may appear 2-14 days after exposure.
- Runny nose
- Headache
- Cough
- Sore throat
- Fever
- Not feeling well overall
Some coronaviruses can cause severe symptoms. The infections may turn into bronchitis and pneumonia, which cause symptoms such as
- Fever, which may be quite high if you have pneumonia
- Cough with mucus
- Shortness of breath
- Chest pain or tightness when you breathe and cough
Severe infections are more common in people with heart or lung diseases, people with weakened immune systems, infants, and older adults.
How are coronavirus infections diagnosed?
To make a diagnosis, your health care provider will
- Take your medical history, including asking about your symptoms
- Do a physical exam
- May do blood tests
- May do lab tests of sputum, a sample from a throat swab, or other respiratory specimens.
Prevention & Treatment
Prevention
There is currently no vaccine to prevent coronavirus disease 2019 (COVID-19). The best way to prevent illness is to avoid being exposed to this virus. However, as a reminder, We always recommends everyday preventive actions to help prevent the spread of respiratory diseases, including:
- Avoid close contact with people who are sick.
- Avoid touching your eyes, nose, and mouth.
- Stay home when you are sick.
- Cover your cough or sneeze with a tissue, then throw the tissue in the trash.
- Clean and disinfect frequently touched objects and surfaces using a regular household cleaning spray or wipe.
- Follow recommendations for using a facemask.
- Facemasks should be used by people who show symptoms of COVID-19 to help prevent the spread of the disease to others. The use of facemasks is also crucial for health workers and people who are taking care of someone in close settings (at home or in a health care facility). Also keep that in mind most of the face masks prevent you from the pollution but germs and viruses generally get pass through them. So we recommend you to use those face masks which protect you against microorganisms.
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- Wash your hands often with soap and water for at least 20 seconds, especially after going to the bathroom; before eating; and after blowing your nose, coughing, or sneezing.
- If soap and water are not readily available, use an alcohol-based hand sanitizer with at least 60% alcohol. Always wash hands with soap and water if hands are visibly dirty.
These are everyday habits that can help prevent the spread of several viruses. CDC does have specific guidance for travelers.
Treatment
There is no specific antiviral treatment recommended for COVID-19. People with COVID-19 should receive supportive care to help relieve symptoms. For severe cases, treatment should include care to support vital organ functions.
People who think they may have been exposed to COVID-19 should contact their healthcare provider immediately.
What to Do If You Are Sick With Coronavirus Disease 2019 (COVID-19)
Call ahead to a healthcare professional if you develop a fever1 and symptoms of respiratory illness, such as cough or difficulty breathing, and have been in close contact2 with a person known to have COVID-19 or if you live in or have recently traveled to an area with ongoing spread. Tell your healthcare professional about your recent travel or contact. Your healthcare professional will work with your state’s public health department and CDC to determine if you need to be tested for COVID-19.
Steps to help prevent the spread of COVID-19 if you are sick
If you are sick with COVID-19 or suspect you are infected with the virus that causes COVID-19, follow the steps below to help prevent the disease from spreading to people in your home and community.
Stay home except to get medical care
People who are mildly ill with COVID-19 are able to isolate at home during their illness. You should restrict activities outside your home, except for getting medical care. Do not go to work, school, or public areas. Avoid using public transportation, ride-sharing, or taxis.
Separate yourself from other people and animals in your home
People: As much as possible, you should stay in a specific room and away from other people in your home. Also, you should use a separate bathroom, if available.
Animals: You should restrict contact with pets and other animals while you are sick with COVID-19, just like you would around other people. Although there have not been reports of pets or other animals becoming sick with COVID-19, it is still recommended that people sick with COVID-19 limit contact with animals until more information is known about the virus. When possible, have another member of your household care for your animals while you are sick. If you are sick with COVID-19, avoid contact with your pet, including petting, snuggling, being kissed or licked, and sharing food. If you must care for your pet or be around animals while you are sick, wash your hands before and after you interact with pets and wear a facemask. See COVID-19 and Animals for more information.
Call ahead before visiting your doctor
If you have a medical appointment, call the healthcare provider and tell them that you have or may have COVID-19. This will help the healthcare provider’s office take steps to keep other people from getting infected or exposed.
Wear a facemask
You should wear a facemask when you are around other people (e.g., sharing a room or vehicle) or pets and before you enter a healthcare provider’s office. If you are not able to wear a facemask (for example, because it causes trouble breathing), then people who live with you should not stay in the same room with you, or they should wear a facemask if they enter your room.
Cover your coughs and sneezes
Cover your mouth and nose with a tissue when you cough or sneeze. Throw used tissues in a lined trash can. Immediately wash your hands with soap and water for at least 20 seconds or, if soap and water are not available, clean your hands with an alcohol-based hand sanitizer that contains at least 60% alcohol.
Clean your hands often
Wash your hands often with soap and water for at least 20 seconds, especially after blowing your nose, coughing, or sneezing; going to the bathroom; and before eating or preparing food. If soap and water are not readily available, use an alcohol-based hand sanitizer with at least 60% alcohol, covering all surfaces of your hands and rubbing them together until they feel dry.
Soap and water are the best option if hands are visibly dirty. Avoid touching your eyes, nose, and mouth with unwashed hands.
Avoid sharing personal household items
You should not share dishes, drinking glasses, cups, eating utensils, towels, or bedding with other people or pets in your home. After using these items, they should be washed thoroughly with soap and water.
Clean all “high-touch” surfaces everyday
High touch surfaces include counters, tabletops, doorknobs, bathroom fixtures, toilets, phones, keyboards, tablets, and bedside tables. Also, clean any surfaces that may have blood, stool, or body fluids on them. Use a household cleaning spray or wipe, according to the label instructions. Labels contain instructions for safe and effective use of the cleaning product including precautions you should take when applying the product, such as wearing gloves and making sure you have good ventilation during use of the product.
Monitor your symptoms
Seek prompt medical attention if your illness is worsening (e.g., difficulty breathing). Before seeking care, call your healthcare provider and tell them that you have, or are being evaluated for, COVID-19. Put on a facemask before you enter the facility. These steps will help the healthcare provider’s office to keep other people in the office or waiting room from getting infected or exposed. Ask your healthcare provider to call the local or state health department. Persons who are placed under active monitoring or facilitated self-monitoring should follow instructions provided by their local health department or occupational health professionals, as appropriate.
If you have a medical emergency and need to call 911, notify the dispatch personnel that you have, or are being evaluated for COVID-19. If possible, put on a facemask before emergency medical services arrive.
Discontinuing home isolation
Patients with confirmed COVID-19 should remain under home isolation precautions until the risk of secondary transmission to others is thought to be low. The decision to discontinue home isolation precautions should be made on a case-by-case basis, in consultation with healthcare providers and state and local health departments.