Biblioteca de salud

No 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.