Or they become sick for only a day or two.

VOA: special.2009.05.26

The animals become sick from it and humans become sick from it.

无论是动物还是人的健康都深受其害

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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