Biblioteca de salud
Volver a la biblioteca de salud principalNo vaya a trabajar si tiene gripe
Fuentes
- Centers for Disease Control and Prevention. "Healthy Habits to Help Protect Against Flu." https://www.cdc.gov/flu/prevent/actions-prevent-flu.htm.
- Centers for Disease Control and Prevention. "How Flu Spreads." https://www.cdc.gov/flu/about/disease/spread.htm.