At a glance
- The CDC Rickettsial Isolate Reference Collection (CRIRC) serves as a repository for more than 300 isolates represented in the genera Anaplasma, Ehrlichia, Neorickettsia, Orientia, and Rickettsia.
- The CRIRC contains over 300 isolates from 37 countries.
- Live cultures and DNA samples are available.
What's included
The CRIRC comprises hundreds of historical and contemporary isolates of more than 40 species and subspecies of Rickettsiales. Requests for DNA of Select Agent species (Rickettsia prowazekii and Coxiella burnetii) can be filled through the CRIRC.
How to request a sample
Species in the CRIRC as of May 21, 2025
Anaplasma
Anaplasma phagocytophilum
Ehrlichia
Ehrlichia canis
Ehrlichia chaffeensis
Ehrlichia japonica
Ehrlichia muris subsp. eauclairensis
Ehrlichia muris subsp. muris
Neorickettsia
Neorickettsia findlayensis
Orientia
Orientia tsutsugamushi
Rickettsia
Rickettsia africae
Rickettsia akari
Rickettsia amblyommatis
Rickettsia asembonensis
Rickettsia asiatica
Rickettsia australis
Rickettsia bellii
Rickettsia canadensis
Rickettsia conorii subsp. conorii
Rickettsia conorii subsp. caspia*
Rickettsia conorii subsp. heilongjiangensis (Rickettsia heilongjiangensis)
Rickettsia conorii subsp. indica
Rickettsia conorii subsp. israelensis
Rickettsia conorii subsp. raoultii (Rickettsia raoultii)
Rickettsia felis*
Rickettsia helvetica
Rickettsia honei
Rickettsia japonica
Rickettsia lanei*
Rickettsia massiliae
Rickettsia montanensis
Rickettsia monteiroi*
Rickettsia parkeri
Rickettsia rhipicephali
Rickettsia rickettsii subsp. californica*
Rickettsia rickettsii subsp. rickettsii*
Rickettsia sibirica subsp. mongolotimonae*
Rickettsia sibirica subsp. sibirica*
Rickettsia slovaca
Rickettsia tamurae subsp. tamurae
Rickettsia tillamookensis
Rickettsia typhi
*Species designation pending formal recognition by the International Committee of Systematics for Prokaryotes.