Figure 2.
Global transport of dust and selected airborne diseases. Adapted from Gonzalez-Martin et al. [10] and NASA (https://eoimages.gsfc.nasa.gov/images/imagerecords/86000/86075/sedac_gis_2010_2012_lrg.jpg). (Online version in colour.)
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.