Fig. 5.
Reduction of cases under the different conditions (none, βm = 0, βf = 0, βfm = 0 and βmf = 0). (A–E) Scenarios in 2013 to 2017; (F) results of 5-year-average value. None refers to no intervention implemented.
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.