Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
IL-4 levels in COVID-19 patients. IL-4 levels were elevated in (a) nonsevere COVID-19 patients compared to healthy subjects, while no significant difference in IL-4 levels between (b) severe patients and healthy controls, as well as between (c) severe and nonsevere COVID-19 patients.
