CMV most risky in pregnancy

Pregnant women should be more concerned about contracting cytomegalovirus infection than Zika virus in terms of risk to their child having microcephaly, new research suggests.

According to a large population-based cohort study, contracting CMV in pregnancy increases the risk of having a baby with microcephaly seven-fold.

Despite the widespread public attention given to the known association of Zika virus with microcephaly, which occurred with an outbreak mainly in South America, it is well-known that other viruses can also cause the condition – namely congenital CMV, herpes simplex virus, varicella-zoster, toxoplasmosis and rubella, said the US researchers in JAMA Pediatrics recently.

However, all of these viruses are ...

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