CMV is short for cytomegalovirus, a virus from the herpes – viruses class and it is the most common cause of infection during pregnancy in Israel and worldwide.

About 80% of the population in Israel has contracted the virus in childhood,[1] and for the most part, the infection is not accompanied by symptoms, or accompanied by mild symptoms of a cold, sore throat and fever.

The CMV virus does not pose a risk for the majority of the population, and in fact it may be safe to say that it is medically relevant to two major sections of the population:

  1. Immunosuppressed individuals – for example, those who have immune deficiency, oncology patients or those who have transplanted organs.
  2. Fetuses during the pregnancy of a woman who contracted the virus close to the time of the pregnancy or during the pregnancy.


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