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Cytomegalovirus (CMV) Awareness Month

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Baby undergoing a hearing test

CMV Awareness Month

June is CMV awareness month. Early detection and treatment is vital which is why we funded research to help develop a low-cost diagnostic device. Find out more...

CMV (cytomegalovirus infection) computer illustration

What is CMV?

CMV or cytomegalovirus (si-to-MEG-alo-vi-rus) is a common virus that is harmless to most people but can be dangerous to unborn babies.

If you have or catch CMV when you are pregnant there is a very small chance that you can develop a CMV infection, which you may pass to your unborn baby.

Newborn baby

CMV and pregnancy

When a baby is born with a CMV infection, it's known as congenital CMV. Congenital describes a condition that the baby is born with that they developed in the womb.

It is estimated that 2–3 babies will be affected by CMV every day in the UK, almost 1,000 babies a year.

Mylo has been severely affected by CMV. Picture of his brother pushing him in his wheelchair.

1 in 5 will develop permanent long-term problems due to the infection.

These may include:

  • seizures (fits), epilepsy
  • hearing problems in 1 or both ears
  • problems with the eyes
  • problems with the liver and spleen
  • Cerebral palsy
  • ADHD
  • behavioural and learning difficulties
Professor Teng Swansea University will be leading the research, photo credit Swansea University photographer

Research

There is currently no cure for CMV and early detection and prompt treatment is essential to help improve outcomes.

With Action funding, Professor Vincent Teng of Swansea University have tested a new low-cost device that could screen newborn babies for CMV at the bedside and provide rapid results.

The availability of an accurate, easy-to-use screening tool would allow the early detection of CMV in more babies, enabling timely treatment to help limit long-term disability.

CMV blood test vile

Help fund more vital research

"The support from Action Medical Research has been absolutely vital. It enabled us to make real progress towards a low-cost biosensor that could one day allow routine newborn screening for CMV, giving babies the chance for early treatment and healthier futures.”

Professor Teng

Devastatingly, 5 out of every 1,000 babies born with CMV will die at birth or within their first year of life.

Young girl wearing hearing aids and cochlear implant

25% of child hearing loss is caused by CMV infection.

CMV is one of the leading causes of non-genetical hearing loss amongst other long-term complications following birth and is more common than Down’s Syndrome, Spina Bifida, Toxoplasmosis and Listeriosis.

Early detection of CMV is essential to start antiviral treatment before the baby is four weeks old. This may help to stop hearing loss from getting worse.