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NIAID Category A, B & C Priority Pathogens. Source:NIAID

Category A
  • Bacillus anthracis (anthrax)
  • Clostridium botulinum
  • Yersinia pestis
  • Variola major (smallpox) and other pox viruses
  • Francisella tularensis (tularemia)
  • Viral hemorrhagic fevers
  • Arenaviruses
  • LCM, Junin virus, Machupo virus, Guanarito virus
  • Lassa Fever
  • Bunyaviruses
  • Hantaviruses
  • Rift Valley Fever
  • Flaviruses
  • Dengue
  • Filoviruses
  • Ebola
  • Marburg
Category C
Emerging infectious disease threats such as Nipah virus and additional hantaviruses.
NIAID priority areas:
  • Tickborne hemorrhagic fever viruses
  • Crimean-Congo Hemorrhagic fever virus
  • Tickborne encephalitis viruses
  • Yellow fever
  • Multi-drug resistant TB
  • Influenza
  • Other Rickettsias
  • Rabies
Category B
  • Burkholderia pseudomallei
  • Coxiella burnetti (Q fever)
  • Brucella species (brucellosis)
  • Burkholderia mallei (glanders)
  • Ricin toxin (from Ricinus communis)
  • Epsilon toxin of Clostridium perfringens
  • Staphylococcus enterotoxin B
  • Typhus fever (Rickettsia prowazekii)
  • Food and Waterborne Pathogens
  • Bacteria
  • Diarrheagenic E.coli
  • Pathogenic Vibrios
  • Shigella species
  • Salmonella
  • Listeria monocytogenes
  • Campylobacter jejuni
  • Yersinia enterocolitica)
  • Viruses (Caliciviruses, Hepatitis A)
  • Protozoa
  • Cryptosporidium parvum
  • Cyclospora cayatanensis
  • Giardia lamblia
  • Entamoeba histolytica
  • Toxoplasma
  • Microsporidia
  • Additional viral encephalitides
  • West Nile Virus
  • LaCrosse
  • California encephalitis
  • VEE
  • EEE
  • WEE
  • Japanese Encephalitis Virus
  • Kyasanur Forest Virus