authorities - n. (plural): people who have power to make decisions and enforce rules and laws

thermometer - n. an instrument used for measuring temperature

chlorine - n. a chemical that in its natural form is a greenish-yellow gas and has a strong smell (used to kills germs)

reverse - v. to cause (something, such as a process) to stop or return to an earlier state

Now it's your turn to use the words in this story. Write a comment in the comments section. What is your opinion about the schools reopening after being closed by Ebola?