| A | B |
|---|
| contagious | spreadable by touch or through the air |
| epidemic | the rapid spread of a disease among many people |
| impact | an effect or result |
| internal | inside something like your body |
| resistance | the ability to fight off or overcome something |
| feasible | possible |
| vaccine | a substance that protects people against getting a disease |
| expose | to leave without protection |
| laboratory | a place where scientists do research |
| infect | to give someone a disease |
| extensive | in-depth, comprehensive |
| estimate | make a guess related to a number, amount, or size |
| abandoned | left behind |
| courageous | brave |
| contaminated | infected |
| nausea | upset stomach |
| quarantined | separate sick from healthy |
| symptoms | signs of illness ex. headache, fever |
| threat | someone says they might hurt you |
