Whether it’s fighting the coronavirus or the common cold, the body’s immune system has several mechanisms to combat viral infection. The first response to a viral infection is the rapid-onset innate response. There are several mechanisms involved in innate immunity: interferons, natural killer cells, and antigen-presenting cells. Further information can be found under the following links: https://next.amboss.com/us/article/Pn0Wtg Subscribe to AMBOSS YouTube for the latest clinical examination videos, medical student interviews, study tips and tricks, and live webinars! Free 5-Day Trial: https://go.amboss.com/04g Instagram: https://www.instagram.com/amboss_med/ Facebook: https://www.facebook.com/AMBOSS.Med/ Twitter: https://twitter.com/ambossmed #AMBOSSMed