Why did Dolly need to wear braces on her legs?
Read this sentence from the article: “Without antibiotics, an ear infection or a simple cut could turn deadly.” Which word has a similar meaning to antibiotics?
What are TWO things that happened during a polio outbreak?
Who did polio most often strike?
What did the polio vaccine do?
Which sentence from the article supports the answer to question 5?
What does the section “Polio Pioneers” describe that “Polio Mysteries” doesn’t?
The author most likely wrote this article to give readers ________.
How is today’s Covid-19 pandemic similar to earlier polio outbreaks? Use evidence from the article to support your answer.