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. Use these tools to tell people in your community how they can order free at-home tests.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. The COVID-19 At Home Testing Digital Toolkit contains a variety of messages and graphics in English and Spanish that you can use on Facebook, LinkedIn, Instagram, or Twitter. ![]() Let others in your community know about the availability of free tests. If you test negative, follow the latest CDC guidance for self-testing. Take a third test, 48 hours after the second, if the second test was negative and you don’t have symptoms If you test negative, you should test again 48 hours after your first test. ![]() ![]() Check your test’s instructions for specific next steps. Find a Test-to-Treat location near youĪ negative at-home test result means that the test did not find the virus, and you may have a lower risk of spreading COVID-19 to others. Test-to-Treat locations will give you a test and treatment. The Test-to-Treat program is one easy way to get treatment. If you test positive and are at high risk for severe COVID-19 (age 50 and over or you have a weakened immune system or other health conditions), talk to a doctor as soon as possible about available treatment options. Treatments for COVID-19 are now widely available. If you test positive, follow the latest CDC guidance for isolation. A positive at-home test result means that the test found the virus, and you very likely have COVID-19.
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