Current Coronavirus US upsurge
|
133
|
4306
|
August 1, 2020
|
Are restrictions working?
|
27
|
1313
|
July 11, 2021
|
Do masks help prevent the spread of COVID-19?
|
70
|
3909
|
May 18, 2020
|
Why was the American public told not to wear face masks?
|
189
|
7648
|
April 8, 2020
|
surgical masks and disease transmission
|
72
|
4544
|
November 12, 2020
|