The woman should
(1) wash her hands frequently with soap and water for at least 15 seconds.
(2) exert greater care:
(2a) when handling urine, saliva or potentially infected items such as diapers
(2b) when around infants or small children < 6 years old
(2c) when around a day care center
(2d) when in contact with an immunocompromised patient
(2e) during sexual activity
The woman should not:
(1) share food or drinks with young children
(2) share eating utensils with young children
(3) kiss children < 6 on the mouth or cheek
(4) put items handled by a young child into her mouth
Not mentioned was the risk of transmission by blood products. Irradiation or use of leukopoor products can reduce the risk by this route.