This is Dr. Kizzmekia Corbett. She is a scientist. She studies vaccines. A vaccine is a shot that helps people fight an illness.
Photo Credit: Timothy Nwachukwu/The New York Times
In the Know
Thanksgiving in U.S. Territories
What is a territory? What is Thanksgiving like there? Look … read more
In the Know
What Is Sweat?
You are playing outside. It is hot. What’s this? Your … read more
In the Know
Mask Up!
This year, school looks different. Why are people wearing masks? … read more