This is a substance, often injected into people, that helps protect them from a disease
vaccine
This means successful and working in the way that was intended
effective
This is to pass something through an object to remove unwanted particles
filter
This is an artificial, replacing a missing part of the body, like an arm or leg
prosthetic
This is a type of small bag in or on a coat, pants, etc. that you can put money, keys, etc., in
pocket
This is an an event or situation that people are talking about
issue
This means thought about a problem and found a solution or answer
figured out
It is to move information or programs from a computer network to a small computer
download
This is someone who trains a person or team in a sport
coach
This means connect something to a source of electricity
plug into
