| rabies surveillance in the united states during 1990. | in 1990, the united states and its territories reported 4,881 cases of rabies in animals to the centers for disease control, a 1.5% increase from 1989. of these, 553 were domestic animals, 4,327 were wild animals, and one was a human being. pennsylvania reported the highest number (611) of rabies cases in animals in 1990. for the first time since surveillance of rabies in wild animals was begun in the 1950s, the number of cases of rabies in raccoons exceeded that in skunks. particularly large in ... | 1992 | 1577642 |
| epidemiologic characteristics of human tularemia in the southwest-central states, 1981-1987. | from 1981 through 1987, a total of 1,041 cases of tularemia in humans were reported in arkansas, kansas, louisiana, missouri, oklahoma, and texas; this represents 60% of the cases reported in the united states during this same time period. the state of arkansas reported the highest total (420 cases). annual incidence rates per one million population ranged from 36.3 in arkansas to less than 5.0 in kansas, louisiana, and texas. epidemiologic data were available for 1,026 cases. the majority of ca ... | 1991 | 2035503 |
| brugia lepori sp. n. (filarioidea: onchocercidae) from rabbits (sylvilagus aquaticus, s. floridanus) in louisiana. | brugia lepori sp. n., a filarial nematode from the abdominal lymphatics and subcutaneous tissues of rabbits (sylvilagus aquaticus, s. floridanus), from st. tammany parish, louisiana, is described. brugia lepori is of moderate size (males 12 to 19 mm, females 39 to 45 mm) and within the genus most closely resembles brugia beaveri of the raccoon, from which it can be distinguished by its larger size, smaller spicules, and smaller microfilaria which has a shorter cephalic space. brugia lepori is on ... | 1984 | 6502360 |
| epidemiology of alaria marcianae mesocercariae in louisiana. | natural infections of alaria marcianae mesocercariae were detected in five amphibian, seven reptilian, and two mammalian species in louisiana. alligators were susceptible to experimental infections with mesocercariae. natural infections were also found in the subcutaneous fat of raccoons and opossums. examination of three gravid opossums showed a marked preference of the mesocercariae for the mammary glands, however, we were unable to find transmission of mesocercariae to any of the 27 young. ba ... | 1981 | 7328467 |
| blood hosts of aedes albopictus in the united states. | bloodfed aedes albopictus were collected during 1989-91 by vacuum aspirator from rural and urban study sites in missouri, florida, indiana, illinois, and louisiana. blood hosts identified by elisa and precipitin tests were rabbit (n = 91), rattus sp. (n = 69), dog (n = 14), unidentified mammal (n = 14), cow (n = 13), human (n = 10), deer (n = 10), sciurid (n = 7), turtle (n = 5), murid other than rattus sp. (n = 4), raccoon (n = 3), passeriform bird (n = 3), and cat (n = 2). as an opportunistic ... | 1994 | 7807094 |
| brugia beaveri sp. n. (nematoda: filarioidea) from the raccoon (procyon lotor) in louisiana. | | 1964 | 14125153 |
| serologic evidence of exposure of wild mammals to flaviviruses in the central and eastern united states. | serosurveys were conducted to obtain flavivirus and west nile virus (wnv) seroprevalence data from mammals. sera from 513 small- and medium-sized mammals collected during late summer and fall 2003 from colorado, louisiana, new york, ohio, and pennsylvania were screened for flavivirus-specific antibodies. sera samples containing antibody to flaviviruses were screened for wnv-specific antibodies by epitope-blocking enzyme-linked immunosorbent assays and confirmed with plaque reduction neutralizati ... | 2005 | 15891139 |
| serologic evidence of west nile virus infection in free-ranging mammals, slidell, louisiana, 2002. | after an outbreak of west nile virus (wnv) infections in slidell, louisiana, in 2002, we detected neutralizing antibodies to wnv in 13 of 120 mammals, representing five of six species sampled. seroprevalence was measured in opossum, didelphis virginiana (75%, n = 8), raccoons, procyon lotor (60%, n = 5), black rats, rattus rattus (6%, n = 36), hispid cotton rats, sigmodon hispidus (4%, n = 24), and eastern gray squirrels, sciurus carolinensis (2%, n = 43). | 2005 | 16187899 |
| serologic evidence of west nile virus exposure in north american mesopredators. | sera from 936 mammalian mesopredators (virginia opossums, gray foxes, striped skunks, hooded skunks, raccoons, a bobcat, and a red fox) were collected during 2003 and 2004 in california, arizona, texas, louisiana, ohio, and wyoming and screened for flavivirus-specific antibodies by an epitope-blocking enzyme-linked immunosorbent assay (blocking elisa). serum samples positive for antibodies against flaviviruses were screened for west nile virus (wnv)-specific antibodies by blocking elisa and sele ... | 2007 | 17255248 |
| helminthic eosinophilic meningitis: emerging zoonotic diseases in the south. | today most emerging infectious diseases, such as west nile virus and severe acute respiratory syndrome (sars), arise in the natural environment as zoonoses and are often imported into the united states (us). the most common helminthic infections that can cause eosinophilic meningitis (eom) in the us, neuroangiostrongyliasis and baylisascariasis, share many of the characteristics of emerging infectious diseases. neuroangiostrongyliasis, a rodent zoonosis caused by the rat lungworm, angiostrongylu ... | 2008 | 19283982 |
| canine schistosomiasis in north america: an underdiagnosed disease with an expanding distribution. | heterobilharzia americana, a digenean trematode in the family schistosomatidae, is the etiologic agent of canine schistosomiasis in the southeastern united states.1 a few cases of canine schistosomiasis have been reported in florida, louisiana, north carolina, texas, and, recently, kansas.1-6 the natural definitive host for the fluke is the raccoon1; however, infections have been detected in nutrias, bobcats, mountain lions, opossums, white-tailed deer, swamp rabbits, armadillos, coyotes, red wo ... | 2010 | 20473851 |
| rabies surveillance in the united states during 2010. | during 2010, 48 states and puerto rico reported 6,154 rabid animals and 2 human rabies cases to the cdc, representing an 8% decrease from the 6,690 rabid animals and 4 human cases reported in 2009. hawaii and mississippi did not report any laboratory-confirmed rabid animals during 2010. approximately 92% of reported rabid animals were wildlife. relative contributions by the major animal groups were as follows: 2,246 raccoons (36.5%), 1,448 skunks (23.5%), 1,430 bats (23.2%), 429 foxes (6.9%), 30 ... | 2011 | 21916759 |
| trypanosoma cruzi and chagas' disease in the united states. | chagas' disease is caused by the protozoan parasite trypanosoma cruzi and causes potentially life-threatening disease of the heart and gastrointestinal tract. the southern half of the united states contains enzootic cycles of t. cruzi, involving 11 recognized triatomine vector species. the greatest vector diversity and density occur in the western united states, where woodrats are the most common reservoir; other rodents, raccoons, skunks, and coyotes are also infected with t. cruzi. in the east ... | 2011 | 21976603 |
| the culex pipiens complex in the mississippi river basin: identification, distribution, and bloodmeal hosts. | members of the culex pipiens complex are the primary vectors of st. louis encephalitis virus and west nile virus in the mississippi river basin (mrb). the cx. pipiens complex in the mrb is composed of 4 taxa: cx. p. pipiens form pipiens, cx. p. quinquefasciatus, hybrids between cx. p. pipiens f. pipiens and cx. p. quinquefasciatus, and cx. p. pipiens form molestus. three studies on bloodmeal hosts with large sample sizes have been conducted on members of the cx. pipiens complex in the mrb includ ... | 2012 | 23401948 |
| chandleronema longigutturata (chandler 1942) gen. et comb. n. (nematoda: acuariidae) from raccoons, procyon lotor, in louisiana. | worms conforming to the description of synhimantus longigutturata chandler 1942 were recovered from the stomachs of raccoons, procyon lotor, in louisiana. the male is described for the first time. the worm has short, delicate, recurrent and anastomosing cephalic cordons; a long pharynx; and a pair of double, lateral alae, each arising behind a tricuspid cervical papilla. these features differ significantly from those of other species within the genus synhimantus and, consequently, the worm is tr ... | 1980 | 7391894 |
| redescription of dipetalonema (acanthocheilonema) procyonis price 1955 (nematoda: filarioidea from the raccoon. | dipetalonema (acanthocheilonema) procyonis price 1955 is redescribed from specimens recovered from the subcutaneous tissues of raccoons (procyon lotor) in louisiana. the microfilaria, which is found in the skin of the host, is described for the first time. dipetalonema (a.) procyonis can be distinguished from other members of the subgenus acanthocheilonema based on the presence of four conical petals on the posterior extremity of both sexes; the females of all other previously described species ... | 1980 | 7190191 |