| A | B |
|---|
| contagious | spreadable by touch or through the air |
| courageous | brave |
| epidemic | the rapid spread of disease among many people |
| estimate | to make a guess related to number, amount or size |
| expose | to leave without protection |
| feasible | possible |
| impact | an effect or result |
| infect | to give someone a disease |
| internal | inside something, like your body |
| resistance | the ability to fight off or overcome something |
