How long after exposure do COVID-19 symptoms appear?
Who is considered a close contact to someone with COVID-19?
For COVID-19, a close contact is anyone who was less than 6 feet away from you for a combined total of 15 minutes or more over a 24-hour period. An infected person can transmit SARS-CoV-2, the virus that causes COVID-19, starting 48 hours (2 days) before they have symptoms or before they were tested.
Do I have to quarantine if I have been exposed to COVID-19?
If you come into close contact with someone with COVID-19, you should quarantine if you are not up to date on COVID-19 vaccines. This includes people who are not vaccinated.
What is one of the ways COVID-19 can spread from person-to-person?
Does mask use help determine if someone is considered a close contact of COVID-19?
A person is still considered a close contact even if one or both people wore a mask when they were together.
How long is someone contagious after they test positive for COVID-19?
"A person with COVID-19 is likely no longer contagious after 10 days have passed since testing positive for coronavirus, and 72 hours after resolution of his or her respiratory symptoms and fever," Dr. Septimus explains.
What should I do if I've been exposed to a confirmed case of COVID-19 if my vaccine is not up-to-date?
Stay home and quarantine for at least 5 full days. Wear a well-fitted mask if you must be around others in your home. Do not travel. Even if you don't develop symptoms, get tested at least 5 days after you last had close contact with someone with COVID-19.
How long should I quarantine after exposure to COVID-19 if I am not fully vaccinated?
Do I need to wear a mask and avoid close contact with others if I am vaccinated against COVID-19?
Generally, if you are up to date on your COVID-19 vaccinations, you do not need to wear a mask in outdoor settings. Check your local COVID-19 Community Level for recommendations on when to wear a mask indoors and additional precautions you can take to protect yourself from COVID-19. If you are immunocompromised or more likely to get very sick from COVID-19, learn more about how to protect yourself.
Can the coronavirus be transmitted through surfaces?
Which types of settings does COVID-19 spread more easily?
The “Three C's” are a useful way to think about this. They describe settings where transmission of the COVID-19 virus spreads more easily:
• Crowded places;
• Close-contact settings, especially where people have conversations very near each other;
• Confined and enclosed spaces with poor ventilation.
How do you get exposed to COVID-19?
It's more likely if you're physically close to someone who is both infected and in the first 5 days of symptoms. Doctors, nurses, and other health care workers are at especially high risk when they deal with people hospitalized for COVID-19.