The body makes this chemical ammo to fight foreign invaders — now and later.

If we want to achieve herd immunity to COVID-19, is the shortcut just to mingle without wearing masks, get a lot of us sick — and let a lot of people die?

Virologist Dr. Angela Rasmussen answers questions about what happens when we get COVID-19, the role immunity and how small scientific discoveries will be the key to understanding this disease.

How do you measure immunity with the novel coronavirus?

Students learn about the specific nature of responses generated by the adaptive immune system.

Students explore the constant battle between pathogens and the immune system, focusing particularly on the different ways that pathogens adapt to overcome the immune system.

This video profiles antibodies, the human immune system’s ultimate weapon.