| 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 |
| RESISTANCE | the ability to fight off or overcome something |
| FEASIBLE | possible |
| VACCINE | a substance that stimulates the body to produce chemicals that destroy viruses or bacteria |
| EXPOSE | to leave something without protection |
| LABORATORY | a place where people do experiments |
| INFECT | to give someone a disease |
| EXTENSIVE | a lot |
| ESTIMATE | to make a guess related to number, amount, or size |
| ABANDONED | left behind without care |
| COURAGEOUS | brave |
| CONTAMINATED | infected |
| External | outside something |
