Which infectious disease listed as Class A agents occur naturally, though sporadically within the U.S?

 

• Anthrax- primarily in the West and Southwest (including Texas)
• Plague- western United States
• Tularemia- in all states except Hawaii, but most common south central US
• Botulism- throughout the U.S. Most common type reported is infant botulism
• Dengue- primarily Puerto Rico. Within the continental US, a small outbreak was reported from south Texas.

 

Small pox no longer occurs naturally and other viral hemorrhagic fevers occur in tropical settings.

References

http://www.cdc.gov/nczved/divisions/dfbmd/diseases/anthrax/technical.html

http://www.cdc.gov/plague/maps/

http://www.cdc.gov/tularemia/statistics/map.html

http://www.cdc.gov/nationalsurveillance/botulism-surveillance.html

http://www.cdc.gov/dengue/epidemiology/

http://emergency.cdc.gov/agent/vhf/