Quiz - Some in U.S. Not Ready to Give Up Masks
After reading the story, take this short quiz to test your understanding.
Question 1 / 4
Which is included in the latest CDC guidance in the U.S.?
Which is included in the latest CDC guidance in the U.S.?
![](https://gdb.voanews.com/7b81b3e4-ae15-4709-908c-4156047dd440_w250_r1_s.jpg)