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Related to rickettsial: Rickettsia rickettsii


n. pl. rick·ett·si·ae (-sē-ē′)
Any of various bacteria of the genus Rickettsia, carried as parasites by many ticks, fleas, and lice, that cause diseases such as typhus and Rocky Mountain spotted fever in humans.

[New Latin Rickettsia, genus name, after Howard Taylor Ricketts (1871-1910), American pathologist.]

rick·ett′si·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.rickettsial - relating to or caused by rickettsias
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References in periodicals archive ?
We suspected rickettsial disease because the patient had typical symptoms, including fever, rash, and eschar, and a history of walking in the mountains.
PESHAWAR: Khyber Pakhtunkhwa (KP) health services department on Thursday stated that experts have identified the mysterious disease that claimed nine lives in Lower Dir as Rickettsial disease.
Out of 150 adult dogs of both sex and mixed breeds, 47 (31.33%) dogs were found positive for rickettsial, haemoparasitic and mixed infections.
A first approach to the study of these dynamics is to assess the seroprevalence of rickettsial antibodies in the population and to examine locally collected ectoparasites to determine the presence of Rickettsia species.
SAN DIEGO -- Typhus in many forms, particularly scrub typhus, has reemerged worldwide, but none of these rickettsial infections poses a significant public health threat if promptly diagnosed, according to an update presented at an annual scientific meeting on infectious diseases.
These and other rickettsial diseases have affected military activities and public health throughout the world for more than 2,000 years.
Leukocyte and platelet counts are most commonly within normal ranges, although thrombocytopenia, leucocytosis, elevated liver enzymes, hyponatremia, leucopenia are common to rickettsial infections.
PUBLIC HEALTH workers have new tick-borne rickettsial diseases to keep on their radar screens, according to updated federal guidelines.
Serological assays currently used to diagnose spotted fever group rickettsial infections lack species-specificity, and there is considerable cross-reactivity among pathogens.
This early host cell death is interesting because gamma interferon (IFN-[gamma]) protects animals against rickettsial infections (Walker and Ismail 2008; Sahni et al.
Among the topics are the interaction of the host immune system with arthropod and arthropod-borne infectious agents, babesiosis and cytauxzoonosis, haemoplasmosis, ehrlichiosis and anaplasmosis, and rickettsial infections.
Three samples from migratory birds (0.9% of all bird samples) were amplified using primers specific for the rickettsial ompA gene, although no distinct Rickettsia species could be identified.