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.
Taxonomy browser. The online taxonomy browser, showing an expanded view of the taxonomic hierarchy of the species Measles morbillivirus. The ‘history’ links to the right of each row are colored green if there has been a change in the indicated taxon since the last release. Clicking on any ‘history’ link will take the user to the taxon history page (Figure 3).
