GLEN M. KOHLS
The vectors of the rickettsial diseases of man belong to four groups of parasites—ticks, mites, lice, and fleas.
Ticks are vectors of the diseases of the spotted fever and boutonneuse fever groups and are certainly involved to some extent in Q fever. Spotted fever includes Rocky Mountain spotted fever of Canada and the United States and the spotted fevers of Mexico, Colombia, and Brazil. Present knowledge suggests that these diseases differ only in epidemiological features relating to the different vector species. Similarly, boutonneuse fever of the Mediterranean region, Kenya typhus, and South African tick-bite fever appear to be identical. They
KOHLS GM. VECTORS OF RICKETTSIAL DISEASES(VECTORS OF RICKETTSIAL DISEASES*). Ann Intern Med. 1947;26:713–719. doi: 10.7326/0003-4819-26-5-713
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Published: Ann Intern Med. 1947;26(5):713-719.
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