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.
Timelines for the protocol A) with T-cell activation or B) without T-cell activation are given. Steps shown on the same tick mark are to be completed in parallel. Steps should be completed in the order shown and according to the protocol written.
