Or they become sick for only a day or two.

VOA: special.2009.05.26

Assistant Director-General for Health Security and Environment at the World Health Organization, Dr.Keiji Fukuda, urged people to practice good hygiene, including washing their hands and covering their mouth when they cough, and if they become sick to stay home.

VOA: standard.2009.04.29

If they become infected, especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.05

If they become infected,especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.18