Contagious
Definition 1 of 3
Pro Tip 1/3
Direct Spread
Contagious diseases usually require direct contact to spread from person to person. Don't share drinks; colds are contagious.
Pro Tip 2/3
Preventive Measures
To prevent catching a contagious disease, good hygiene and vaccinations can be effective. Wash your hands often, measles is highly contagious.
Pro Tip 3/3
Public Health Warnings
When an outbreak occurs, authorities give warnings because contagious diseases can affect many quickly. Stay updated on the news during a contagious disease outbreak.