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Health topics
… 7 Reasons You May Need a COVID-19 Viral Test On this page: Overview Related …
Medical tests
… , influenza (flu), and some types of cancer. Viral tests may be done for viruses such as: Herpes simplex . Chickenpox … after a health professional is accidentally stuck with a needle containing contaminated blood to see if they became … that may be present and the sample that will be tested. Your health professional will give you any specific …
Health topics
… Heart Tests: When Do You Need Them? On this page: Health Tools Topic … not require a doctor to insert a device into your body. You may need an injection of a medicine during the test. Many of …
Medical tests
… ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first measurement … tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a …
Medical tests
… how much hepatitis C virus is in the blood. Viral load may be measured before, during, and after treatment. Why It … was effective. How to Prepare In general, there is nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It …
Health topics
… Viral Hepatitis On this page: Related … occurs along with hepatitis B. How is it diagnosed? Blood tests are used to diagnose viral hepatitis. In their early … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Health topics
… HIV Viral Load On this page: … Viral load is a measurement of how much HIV is present in your blood. A sample of blood is drawn and sent to a lab for testing. Results are expressed as the number of copies of …
Health topics
… updated March 28, 2025 On this page: COVID-19 symptoms If you have symptoms If you are a priority population If you … illnesses including the flu and common cold. Symptoms may vary from person to person. Some people may experience … COVID-19 Self-Assessment Tool to help you decide if you need further assessment or testing. If you need testing, …
Health topics
… My Reasons to Quit Smoking On this page: Overview Overview What would motivate you to quit smoking? Take a moment to fill out the smoker's … self-test. Be honest when you answer the questions. You may discover that you have more good reasons to quit than to …
Health topics
… Needle Punctures for Health Reasons On this page: Overview Overview … need further care. Intravenous (IV) line puncture site If you need intravenous fluids or medicine directly into the … intravenous (IV) catheter is inserted into the vein. There may be a slight amount of redness and swelling at the …
