![]() Rapid antigen tests provide results quickly and are available at testing sites or for use at-home. PCR tests are more likely to detect the virus compared to antigen tests. ![]() You may choose to get a PCR test at a testing site or healthcare facility. If you do not test at the right time, you are more likely to get an inaccurate test result. If you have been exposed to COVID-19 and do not have symptoms, you should test 5 full days after your exposure. If you have COVID-19 symptoms, you should get tested for COVID-19 immediately. A viral test tells you if you are infected with the virus that causes COVID-19. Get tested if you have COVID-19 symptoms. Turning your thermostat to the “ON” position instead of “AUTO” to ensure your HVAC system provides continuous airflow and filtration.ĬDC’s interactive ventilation tools can help you see how much you can improve ventilation in your home or school.Turning on exhaust fans and using other fans to improve air flow.Using portable high-efficiency particulate air (HEPA) cleaners.Increasing air filtration in your heating, ventilation, and air conditioning (HVAC) system, such as by changing filters frequently and using filters that are properly fitted and provide higher filtration. ![]() Bringing in as much outdoor air as possible-for example, opening windows.Spending time outside when possible instead of inside can also help: Viral particles spread between people more readily indoors than outdoors.Īctions that can improve ventilation and filtration include: Improving ventilation and filtration can help protect you from getting infected with and spreading the virus that causes COVID-19. CDC does have specific guidance for travelers.Improving ventilation (moving air into, out of, or within a room) and filtration (trapping particles on a filter to remove them from the air) can help prevent virus particles from accumulating in indoor air. These are everyday habits that can help prevent the spread of several viruses. Always wash hands with soap and water if hands are visibly dirty.įor information about handwashing, see CDC's Handwashing website.įor information specific to healthcare, see CDC's Hand Hygiene in Healthcare Settings. If soap and water are not readily available, use an alcohol-based hand sanitizer with at least 60% alcohol. 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. 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). The CDC always recommends everyday preventive actions to help prevent the spread of respiratory diseases, including:Īvoid close contact with people who are sick.Īvoid touching your eyes, nose, and mouth.Ĭover your cough or sneeze with a tissue, then throw the tissue in the trash.Ĭlean and disinfect frequently touched objects and surfaces using a regular household cleaning spray or wipe.įollow CDC's recommendations for using a face covering.Ĭloth face covering are recommended for use when in a public setting.įacemasks should be used by people who show symptoms of COVID-19 to help prevent the spread of the disease to others. The best way to prevent illness is to avoid being exposed to this virus.
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