How to test for cmv virus


















Commercial tests for CMV avidity are available in the U. Specific steps for appropriate collection of saliva samples from a baby are as follows: Collect a saliva specimen more than one hour after breastfeeding and within three weeks of birth, because detection of CMV after three weeks could be the result of post-partum infection. Remove the swab and place into a buffer formulated for PCR diagnostic testing several are available.

If CMV is present, it will leach from swab to the liquid. Related Links. Links with this icon indicate that you are leaving the CDC website. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. You will be subject to the destination website's privacy policy when you follow the link.

Vertebrae are the small bones that make up your spine. Your provider will then withdraw a small amount of fluid for testing. Sputum test Sputum is a thick mucus that settles in your lungs when you have an infection or chronic illness. During the test, your health care provider will ask you to breathe deeply and then cough deeply into a special cup. Your provider may tap you on the chest to help loosen sputum from your lungs. Biopsy During the test, your provider will remove a small sample of tissue for testing.

Biopsies can be done with a needle or a special type of surgical instrument. Amniocentesis This procedure is done on pregnant women to see if an unborn baby has been infected with CMV. During the procedure, you'll lie on your back on an exam table. Your provider will move an ultrasound device over your abdomen. Ultrasound uses sound waves to check the position of your uterus, placenta, and baby.

Your provider will insert a thin needle into your abdomen and withdraw a small amount of amniotic fluid. Newborns are usually given a saliva or urine test. During an infant saliva test: A provider will insert a sterile swab into your baby's cheek and swirl for several seconds. The swab will be placed in a special solution for testing. During an infant urine test: You will be given a special plastic bag that will fit over your baby's genital area. You will place a diaper over the bag.

After your baby has urinated, you will remove the bag from the diaper and empty the urine into a container given to you by your provider. Will I need to do anything to prepare for the test? You may need to empty your bladder before a lumbar puncture.

You may be asked to fast not eat or drink for several hours before a biopsy. Are there any risks to the test? There are no known risks to having a sputum test, infant saliva test, or infant urine test. What do the results mean?

Is there anything else I need to know about CMV testing? CMV tests are included as part of a TORCH panel, a group of blood tests used to screen newborns and sometimes pregnant woman for the following infections: TO xoplasmosis R ubella C ytomegalovirus H erpes simplex virus These infections can cause birth defects if a mother gets infected during pregnancy.

References Baby's First Test [Internet]. Expecting Health; c Congenital Cytomegalovirus; [cited Aug 1]; [about 4 screens]. Winchester MA : Winchester Hospital; c Atlanta: U. Cleveland OH : Cleveland Clinic; c Biopsy Overview; [cited Aug 1]; [about 3 screens].

DoveMed; c If you're pregnant, testing to determine whether you've ever been infected with CMV can be important. Pregnant women who have already developed CMV antibodies have a very small chance of a reactivation infecting their unborn children. If your doctor detects a new CMV infection while you're pregnant, a prenatal test amniocentesis can determine whether the fetus has been infected. In this test, your doctor takes and examines a sample of amniotic fluid. Amniocentesis is generally recommended when abnormalities that might be caused by CMV are seen on ultrasound.

If your doctor suspects your baby has congenital CMV , it's important to test the baby within the first three weeks of birth. If your baby has CMV , your doctor likely will recommend additional tests to check the health of the baby's organs, such as the liver and kidneys. Testing for CMV can also be important if you have a weakened immune system. Treatment generally isn't necessary for healthy children and adults. Healthy adults who develop CMV mononucleosis generally recover without medication.

Newborns and people who have weakened immunity need treatment when they're experiencing symptoms of CMV infection. The type of treatment depends on the signs and symptoms and their severity. Antiviral medications are the most common type of treatment. They can slow reproduction of the virus, but can't eliminate it. Researchers are studying new medications and vaccines to treat and prevent CMV. Explore Mayo Clinic studies testing new treatments, interventions and tests as a means to prevent, detect, treat or manage this condition.



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