Skip navigation

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.

Results 1 - 2 of 2 for Variola major infectious disease
  1. Smallpox (National Library of Medicine)  
    Smallpox is a disease caused by the Variola major virus. Some experts say that over the centuries it has killed more people than all other infectious diseases combined. Worldwide vaccination stopped the spread of smallpox three decades ago. The last case was reported in 1977. Two research labs still keep ...
    https://medlineplus.gov/smallpox.html - Health Topics
  2. Biodefense and Bioterrorism (National Library of Medicine)  
    ... Ebola and other hemorrhagic fever viruses, plague, or smallpox could be used as biological agents. Biodefense uses ...
    https://medlineplus.gov/biodefenseandbioterrorism.html - Health Topics