Melanie Reber
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Below, I am listing the various modes of transmission for the 13 most common Tick Borne Diseases.
Hopefully, this will be a work in progress as more information is uncovered and added to each post.
Please feel free to add whatever information you have that verifies any form of transmission. While we all appreciate anecdotal information, I would really like to use referenced material.
Thanks, Melanie
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[ 08. March 2008, 05:39 PM: Message edited by: Melanie Reber ]
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Melanie Reber
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Anaplasmosis
Human Granulocytic Anaplasmosis (HGA) is caused by the bacterium Anaplasma phagocytophilum. It is contracted with the bite of infected ticks (Amblyomma americanum, Ixodes pacificus, Ixodes scapularis, Ixodes spinipalpis and Ixodes Dermacentor variabilis) and has been documented to transmit congenitally.
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Human Granulocytic Anaplasmosis During Pregnancy: Case Series and Literature Review. Dhand A, Nadelman R et al. Clinical Infectious Diseases 2007;45:589-593.
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[ 15. February 2008, 11:56 AM: Message edited by: Melanie Reber ]
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Melanie Reber
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Babesiosis
Babesia is caused by several species of protozoan parasites. It is known to transfer through blood transfusion and ingestion, organ transplant and by congenital means. Transmission also occurs with the bite of infected ticks (Boophilus annulatus, Boophilus decoloratus, Boophilus microplus, Ixodes pacificus, Ixodes scapularis, Ixodes Dermacentor nitens and Rhipicephalus sanguineus).
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Experimental transmission of Babesia microti infection by the oral route. Malagon F, Tapia JL. Parasitol Res 1994;80(8):645-8
Transfusion-Associated Babesia after Heart Transplant. Lux JZ, Weiss D, Linden JV, Kessler D, Herwaldt BL, Wong SJ, et al. Emerg Infect Dis [serial online] 2003 Jan
Babesiosis and blood transfusion: flying under the radar. Leiby DA. Vox Sang. 2006 Apr;90(3):157-65.
Fatal experimental transplacental Babesia gibsoni infections in dogs. Fukumoto S, Suzuki H, Igarashi I, Xuan X. Int J Parasitol 2005 Aug;35(9):1031-5.
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[ 15. February 2008, 12:00 PM: Message edited by: Melanie Reber ]
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Melanie Reber
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Bartonella
Bartonella is caused by several species of bacteria. It is known to be transmitted by vectors such as fleas, biting flies, body louse, mosquitoes and ticks (Argasidae Carios kelleyi, Ixodes pacificus, Ixodes ricinus, Ixodes scapularis and Rhipicephalus sanguineus).
Bartonella has also been associated with the saliva of dogs and cats, normally passed on through scratches, bites or everyday grooming. Congenital transmission is also documented.
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Experimental Transmission of Bartonella henselae by the Cat Flea. CHOMEL B, KASTEN R, FLOYD-HAWKINS K, CHI B, YAMAMOTO K, ROBERTS-WILSON J, NIKOS GURFIELD A et al. JOURNAL OF CLINICAL MICROBIOLOGY, Aug. 1996, p. 1952-1956
Bartonella spp. DNA associated with biting flies from California. Chung CY, Kasten RW, Paff SM, Van Horn BA, Vayssier-Taussat M, Boulouis H-J, et al. Emerg Infect Dis. 2004 Jul
Role of Hippoboscidae Flies as Potential Vectors of Bartonella spp. Infecting Wild and Domestic Ruminants. Halos L, Jamal T, Maillard R, Girard B, Guillot J, Chomel B, Vayssier-Taussat M, Boulouis HJ. Appl Environ Microbiol. 2004 Oct;70(10):6302-5
Experimental Model of Human Body Louse Infection Using Green Fluorescent Protein-Expressing Bartonella quintana. Pierre-Edouard Fournier, Michael F. Minnick, Hubert Lepidi, Eric Salvo, and Didier Raoult Infect Immun. 2001 March; 69(3): 1876-1879.
Infection of Ixodes Ticks, Mosquitoes and Patients with Borrelia, Bartonella, Rickettsia, Anaplasma, Ehrlichia and Babesia in Western Siberia, Russia. Molecular Biology of Spirochetes FC Cabrello et al. IOS Press, 2006
Isolation of Bartonella quintana from a Woman and a Cat following Putative Bite Transmission. Edward B. Breitschwerdt, Ricardo G. Maggi, Betsy Sigmon, and William L. Nicholson J Clin Microbiol. 2007 January; 45(1): 270-272.
Bartonella DNA in dog saliva. Duncan AW, Maggi RG, Breitschwerdt EB. Emerg Infect Dis. 2007 Dec;13(12):1948-50.
Kinetics of Bartonella birtlesii Infection in Experimentally Infected Mice and Pathogenic Effect on Reproductive Functions. Henri J. Boulouis et al. Infection and Immunity, September 2001, p. 5313-5317, Vol. 69, No. 9
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[ 08. March 2008, 06:30 PM: Message edited by: Melanie Reber ]
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Brucellosis
Brucellosis is caused by several species of the bacterium Brucella. It is contracted through ingestion of contaminated milk products, direct blood contact with an infected animal and inhalation of the organism. Brucellosis is the most commonly reported laboratory-associated bacterial infection. Transmission has been documented by sexual contact, tissue transplant, congenital means and through breast-feeding. It is also contracted through flies and with the bite of an infected tick (Ixodes ricinus) .
Brucellosis is classified as a class B bioterrorism agent.
The Experimental Infection of Ticks with Brucellosis under Laboratory Conditions. Zotova, A. A. ; Boldicina, K. S. Defense Technical Information Center 06 FEB 1951
"These flies are primary thought of as the primary transmission vector associated with the bacteria Moraxella bovis that can cause pinkeye, but have also been associated with mechanically transmitting brucella abortus..." http://www.cattlenetwork.com/content.asp?contentid=58759
Probable Transmission of Brucellosis by Breast Milk Ignacio Arroyo Carrera et al. Journal of Tropical Pediatrics 2006 52(5):380-381
Transplacentally Transmitted Congenital Brucellosis Due to Brucella abortus. I. Giannacopoulos Journal of Infection, Volume 45, Issue 3, Pages 209-210
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[ 08. March 2008, 06:35 PM: Message edited by: Melanie Reber ]
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Melanie Reber
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Colorado Tick Fever
Colorado Tick Fever is caused by the Colorado tick fever virus, a member of the Coltivirus genera. Some cases have been associated with exposures to the virus in laboratory settings and transfusion associated cases have been reported. Typically, it is contracted with the bite of infected ticks (Argasidae Otobius megnini, Ixodes Dermacentor andersoni, Ixodes Dermacentor occidentalis, Ixodes Dermacentor variabilis and Rhipicephalus sanguineus)
Colorado Tick Fever is classified as a Biosafety Level 2 arbovirus. Although prompt recovery is the expected outcome, rare fatalities are reported.
[ 10. March 2008, 02:44 PM: Message edited by: Melanie Reber ]
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Ehrlichia
Human Monocytic Ehrlichiosis (HME) is caused by the bacterium Ehrlichiosis chaffeensis. It is contracted with the bite of an infected tick (Amblyomma americanum).
Human Granulocytic Ehrlichiosis (HGE) is caused by the bacterium Ehrlichia ewingii. It is typically contracted with the bite of infected ticks (Amblyomma americanum, Amblyomma maculatum, Ixodes scapularis, Ixodes Dermacentor variabilis and Rhipicephalus sanguineus), however, it has also been transmitted through contact with blood of fresh venison.
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Exposure to deer blood may be a cause of human granulocytic ehrlichiosis. Bakken JS, Krueth J, Lund T, Malkovitch D, Asanovich K, Dumler JS. Clin Infect Dis 1996; 23:198.
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[ 08. March 2008, 06:07 PM: Message edited by: Melanie Reber ]
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Lyme disease
Lyme disease is caused by the bacterium Borrelia burgdorferi. While it is still the most common vector-borne disease in the country, it is also transmitted in other ways. Infection occurs through blood transfusion, organ transplant, direct contact and by congenital means.
Typically, it is contracted with the bite of infected ticks (Amblyomma americanum, Amblyomma maculatum, Haemaphysalis leporispalustris, Ixodes affinis, Ixodes angustus, Ixodes cookei, Ixodes dentatus, Ixodes neotomae, Ixodes pacificus, Ixodes ricinus, Ixodes scapularis, Ixodes spinipalpis, Ixodes texanus, Ixodes Dermacentor albipictus, Ixodes Dermacentor andersoni, Ixodes Dermacentor occidentalis and Ixodes Dermacentor variabilis), however it has also been contracted through infected biting flies, mosquitoes, mites and fleas.
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Survival of Borrelia burgdorferi in human blood stored under blood banking conditions. Nadelman RB, Sherer C, Mack L, Pavia CS, Wormser GP. Transfusion 1990 30(4):298-301.
Experimental inoculation of Peromyscus spp. with Borrelia burgdorferi: evidence of contact transmission. Burgess EC, Amundson TE, Davis JP, Kaslow RA, Edelman R. Am J Trop Med Hyg. 1986 Mar;35(2):355-9.
Erythema migrans in solid-organ transplant recipients. Maraspin V, Cimperman J, Lotric-Furlan S, Logar M, Ruzic-Sabljic E, Strle F. Clin Infect Dis. 2006 Jun 15;42(12):1751-4.
Borrelia burgdorferi in a newborn despite oral penicillin for Lyme borreliosis during pregnancy. Weber K, Bratzke HJ, Neubert U, Wilske B, Duray PH. Pediatric Infectious Disease Journal, 7:286-9. 1988.
Lyme disease transmitted by a biting fly. Luger SW N Engl J Med 1990 Jun 14;322(24):1752
Ticks and mosquitoes as vectors of Borrelia burgdorferi s. l. in the forested areas of Szczecin. Kosik-Bogacka DI, Kuźna-Grygiel W, Jaborowska M. Folia Biol (Krakow). 2007;55(3-4):143-6.
Isolation of the spirochaete Borrelia afzelii from the mosquito Aedes vexans in the Czech Republic. Halouzka J; Postic D; Hubalek Z. Med Vet Entomol 1998 Jan;12(1):103-5
Presence of Borrelia burgdorferi sensu lato in mites parasitizing small rodents. Netusil J, Zakovska A, Horvath R, Dendis M, Janouskovcova E. Vector Borne Zoonotic Dis. 2005 Fall;5(3):227-32.
The spirochetal isolates were from several tick and one flea species, including Amblyomma americanum, A. maculatum, Ixodes scapularis, and Ctenocephalides felis. Teltow GJ; Fournier PV; Rawlings JA. Am J Trop Med Hyg 1991 May;44(5):469-74
Melanie Reber
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Mycoplasma
Mycoplasma infections are caused by several specific and unique species of cell-wall deficient bacteria. Mycoplasmas are transmitted through respiratory secretions, congenital means and the bite of infected ticks (Ixodes pacificus, Haemaphysalis leporispalustris and Argasidae Ornithodoros parkeri).
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Diagnostic Assessment of Mycoplasma genitalium in Culture-Positive Women. Joel B Baseman et al. Journal of Clinical Microbiology, Jan 2004, p. 203-211, Vol 42, No 1.
Mycoplasmas: Sophisticated, reemerging, and burdened by their notoriety. Baseman JB, Tully JG. Emerging Infectious Diseases, 1997 1(3), 21-32.
In utero transmission of Mycoplasma pulmonis in experimentally infected Sprague-Dawley rats. Steiner DA, Uhl EM, Brown MB. Infect Immun. 1993 July; 61(7): 2985-2990.
A Search for Mycoplasmas in Ornithodoros parkeri Ticks Collected from the Desert Tortoise in the Mojave, Colorado, and Sonoran Deserts. Joseph G Tully et al. Desert Tortoise Council, April 3-5, 1998.
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Query Fever
Q fever is caused by the rickettsia Coxiella burnetii. Because infected animals shed this organism in urine, feces, birth products, and milk; transmission occurs by inhalation of dust, ingestion of infected milk and the bite of infected ticks (Amblyomma americanum, Argasidae Otobius megnini, Ixodes Dermacentor andersoni, Ixodes Dermacentor variabilis and Rhipicephalus sanguineus). Infection can also be transmitted congenitally.
Coxiella burnetii could be developed for use in biological warfare and is considered a potential terrorist threat.
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The Infectious Origins of Stillbirth. Goldenberg RL, Thompson C. Am J Obstet Gynecol. 2003 Sep; 189(3):861-73. 2003. PMID: 14526331
Coxiella burnetii shedding by dairy cows. Guatteo R, Beaudeau F, Joly A, et al. Vet Res 2007 Nov-Dec; 38(6):849-60.
Evaluation of low concentration aerosol for infecting humans with the Q fever pathogen. Vorobeychikov E, Vasilenko A, Tokarevich N, et al. Ann N Y Acad Sci 2005 Dec.:466-70.
Studies probe microbes in raw milk, swine. Stephenson J JAMA 2007 Sep 26; 298(12):1388.
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Relapsing Fever
Relapsing fever is caused by several species of the bacterium Borrelia. Most commonly, it is contracted with the bite of infected ticks (Amblyomma americanum, Argasidae Ornithodoros hermsi, Argasidae Ornithodoros parkeri, Argasidae Ornithodoros talaje and Argasidae Ornithodoros turicata). Infection can also be transmitted through the blood of rodents, the bite of infected lice or take place by contamination of a wound in the skin. It is also known to be transmitted congenitally.
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Complications of pregnancy and transplacental transmission of relapsing-fever borreliosis. Larsson C, Anderson M, Guo BP, Nordstrand A, Hagerstrand I, Carlsson S, Bergstrom S. J Infect Dis. 2006 Nov 15;194(10):1367-74. Epub 2006 Oct 3. PMID: 17054065
Louse-borne relapsing fever and malaria co-infection in Ethiopia. Reyes F, Tesfamariam A, Malmierca E. Trop Doct 2007 Apr; 37(2):121-2.
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Rocky Mountain Spotted Fever
Rocky Mountain spotted fever is caused by the bacterium Rickettsia rickettsii. Typically, it is contracted with the bite of infected ticks (Amblyomma americanum, Amblyomma cajennense, Amblyomma maculatum, Argasidae Ornithodoros parkeri, Argasidae Otobius megnini, Haemaphysalis leporispalustris, Ixodes pacificus, Ixodes Dermacentor andersoni, Ixodes Dermacentor occidentalis, Ixodes Dermacentor variabilis and Rhipicephalus sanguineus), but has also been acquired through blood transfusion and contamination of the skin with tick blood or feces.
The fatality rate is 20% or more in all patients.
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An Outbreak of Rocky Mountain Spotted Fever Associated with a Novel Tick Vector, Rhipicephalus sanguineus, in Arizona, 2004: Preliminary Report. Demma LJ, Eremeeva M, Nicholson WL, et al. Ann N Y Acad Sci 2006 Oct.:342-3.
Rocky mountain spotted fever caused by blood transfusion. Wells GM, Woodward TE, Fiset P, Hornick RB. JAMA. 1978 Jun 30;239(26):2763-5.
American Veterinary Medical Association "...human infection has occurred much less often following transdermal or inhalation exposure to tick fluids (hemolymph), tick feces, or crushed tick tissues." http://www.avma.org/reference/zoonosis/znrockymountain.asp
[ 26. May 2008, 03:45 PM: Message edited by: Melanie Reber ]
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Melanie Reber
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STARI
Southern Tick Associated Rash Illness is caused by the bacterium Borrelia lonestari. It is contracted with the bite of infected ticks (Amblyomma americanum and Argasidae Carios capensis).
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First culture isolation of Borrelia lonestari, putative agent of southern tick-associated rash illness. Varela AS, Luttrell MP, Howerth EW, et al. J Clin Microbiol 2004 Mar; 42(3):1163-9.
Borrelia, Coxiella, and Rickettsia in Carios capensis (Acari: Argasidae) from a brown pelican (Pelecanus occidentalis) rookery in South Carolina, USA. Reeves WK, Loftis AD, Sanders F, et al. Exp Appl Acarol 2006 Jul 5.
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[ 26. May 2008, 03:08 PM: Message edited by: Melanie Reber ]
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Melanie Reber
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Tick Paralysis
Tick paralysis is a loss of muscle function that results from an unidentified protein toxin in tick saliva (Amblyomma americanum, Amblyomma maculatum, Amblyomma rotundatum, Argasidae Otobius megnini, Ixodes brunneus, Ixodes Dermacentor andersoni, Ixodes Dermacentor variabilis and Rhipicephalus sanguineus). Ticks attach to the skin to feed on blood. It is during this feeding process that the toxin enters the bloodstream. The paralysis is ascending; meaning it starts in the lower body and moves up and death by respiratory failure may result.
The fatality rate is 11.7%, despite the fact that there is usually a latent period of about 5 days before the ticks can produce enough toxin to cause paralysis, and paralysis can be avoided by removal of the ticks during that period.
[ 26. May 2008, 02:53 PM: Message edited by: Melanie Reber ]
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Melanie Reber
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Tularemia
Tularemia is caused by the organism Francisella tularensis. It is a highly infectious, invasive and potentially dangerous pathogen. So much so that the CDC has it listed as a possible bio-weapon.
Tularemia has many modes of transmission. Typically, contraction occurs with the bite of an infected vector such as the deerfly, the mosquito, the flea or the tick (Amblyomma americanum, Amblyomma maculatum, Argasidae Otobius megnini, Ixodes pacificus, Ixodes Dermacentor andersoni, Ixodes Dermacentor occidentalis and Ixodes Dermacentor variabilis). In addition, it is transmitted through contaminated water, food and soil.
Handling infected animals and ingesting infected game puts many at risk. Organisms can be transmitted directly through a bite from pets and wild animals, such as raccoons, snakes, and coyotes, which have bitten a sick or dead rabbit and thus have the bacteria in their mouths. Tularemia has also been acquired through inhalation of airborne particulates.
The fatality rate is 5-7% in untreated patients.
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Tularemia transmitted by insect bites--Wyoming, 2001-2003. MMWR Morb Mortal Wkly Rep 2005 Feb 25; 54(7):170-3.
A small water-borne tularemia outbreak. Meri� M, Sayan M, Willke A, Gedikoğlu S. Mikrobiyol Bul 2008 Jan; 42(1):49-59.
Two unusual glandular presentations of tick-borne tularemia. Charles P, Stumpf P, Buffet P, et al. Med Mal Infect 2008 Jan 9.
An outbreak of airborne tularaemia in France, August 2004. Siret V, Barataud D, Prat M, et al. Euro Surveill 2006 Feb 20; 11(2)
Tularemia outbreak in the province of Cuenca associated with crab handling. D�az de Tuesta AM, Chow-Quan , Geijo Mart�nez MP, et al. Rev Clin Esp 2001 Jul; 201(7):385-9
A milk-borne outbreak of tularemia in Moscow. Manenkova GM, Rodina LV, Tsvil' LA, et al. Zh Mikrobiol Epidemiol Immunobiol 1996 Sep-Oct; (5):123-4.
Detection of diverse new Francisella-like bacteria in environmental samples. Barns SM, Grow CC, Okinaka RT, et al. Appl Environ Microbiol 2005 Sep; 71(9):5494-500.
Tularemia associated with a hamster bite--Colorado, 2004. MMWR Morb Mortal Wkly Rep 2005 Jan 7; 53(51):1202-3.
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