Converse of object

• develop: Early treatment with IV acyclovir is recommended for infants in this exposure category who develop varicella despite VZIG prophylaxis.

• disseminate: In the immunocompromised however, this viraemia may be prolonged or severe producing disseminated varicella which looks the same as primary chickenpox.

Adjective modifier

• neonatal: Infection from one week before to one week after delivery can lead to severe neonatal varicella.

Modifies a noun

• zoster: In rare cases, an unborn child exposed to varicella zoster can be damaged or may be miscarried.

• virus: However, sometimes a test to identify the varicella virus is carried out.

• vaccine: At present, live attenuated varicella vaccine is not licensed for use in the UK.

• infection: Reye's syndrome has been reported in children treated with aspirin during natural varicella infection.

• syndrome: Research is needed on the long-term follow-up of infants who have developed fetal varicella syndrome.

• immunization: Some universities and schools may ask for varicella immunization.

Preposition: in

• pregnancy: QALYs could not be calculated directly because of the lack of published data associated with utility values for varicella in pregnancy.