
Full text loading...
Category: Clinical Microbiology
Rocky Mountain Spotted Fever and Other Spotted Fever Group Rickettsioses, Page 1 of 2
< Previous page | Next page > /docserver/preview/fulltext/10.1128/9781555816490/9781555812386_Chap17-1.gif /docserver/preview/fulltext/10.1128/9781555816490/9781555812386_Chap17-2.gifAbstract:
Rickettsioses, caused by members of the typhus group and spotted fever group (SFG) rickettsiae, are significant, underrecognized diseases found worldwide. Rocky Mountain spotted fever (RMSF) was first described in the 1890s, and researchers have worked to characterize its manifestations, develop effective therapeutics, examine the biological aspects of the agent, and in particular to understand its survival and multiplication within its arthropod host. As this chapter deals primarily with human health and tick-borne SFG rickettsiae described in North, Central, and South America, the majority of the content is in reference to Rickettsia rickettsii. Furthermore, because a number of excellent reviews have been published regarding the biology of Rickettsia, the various aspects of RMSF, including issues of ecology and clinical characteristics, the chapter aims to expand on that base of knowledge and update the reader on the current trends of research on tick-borne rickettsioses.
Full text loading...
Transmission electron micrograph of R. peacockii strain DaE100R (R) within the cytoplasm of DAE100 (D. andersoni embryonic cell line) host cell. The arrow identifies the translucent zone that has been termed the slime layer. Bar, 0.2 µm. Image courtesy of A. T. Palmer and T. J. Kurtti.
Transmission electron micrograph of R. peacockii strain DaE100R (R) within the cytoplasm of DAE100 (D. andersoni embryonic cell line) host cell. The arrow identifies the translucent zone that has been termed the slime layer. Bar, 0.2 µm. Image courtesy of A. T. Palmer and T. J. Kurtti.
RMSF cases reported to the CDC from 1942 to 1996. (Image from http://www.cdc.gov/ncidod/dvrd/rmsf/Epidemiology. htm.)
RMSF cases reported to the CDC from 1942 to 1996. (Image from http://www.cdc.gov/ncidod/dvrd/rmsf/Epidemiology. htm.)
Regional distribution of reported RMSF as determined by cases reported to the CDC by individual states from 1994 to 1998. (Image redrawn from http://www.cdc.gov/ncidod/dvrd/rmsf/Epidemiology.htm.)
Regional distribution of reported RMSF as determined by cases reported to the CDC by individual states from 1994 to 1998. (Image redrawn from http://www.cdc.gov/ncidod/dvrd/rmsf/Epidemiology.htm.)
Seasonal distribution of RMSF cases reported to the CDC during each month for the years 1993 to 1996. (Image redrawn from http://www.cdc.gov/ncidod/dvrd/rmsf/Epidemiology. htm.)
Seasonal distribution of RMSF cases reported to the CDC during each month for the years 1993 to 1996. (Image redrawn from http://www.cdc.gov/ncidod/dvrd/rmsf/Epidemiology. htm.)
Spotted fever group Rickettsia species, arthropod vector, and distribution described in the United States
Spotted fever group Rickettsia species, arthropod vector, and distribution described in the United States