Publications

multinationals and health: reflections on the seveso catastrophe.	on july 10, 1976, a cloud of vaporized products containing dioxin escaped from a deposit of a plant of the icmesa firm in the northern suburbs of milan. the fallout was deposited on a vast zone in the municipalities of desio, seveso, meda, and cesano. dioxin was not the desired product of the industrial process, but rather an impurity which generally accompanies trichlorophenol, and, to a smaller extent, the products synthesized from trichlorophenol. among these there are hexachlorophene and the ...	1978	103846
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
serodiagnostic test for loxosceles reclusa bites.		1974	4426179
epidemiologic study of human tularemia reported in missouri, 1949-65.		1967	4961434
ecologic studies of histoplasmosis.		1967	5334640
arbovirus studies in the ohio-mississippi basin, 1964-1967. ii. st. louis encephalitis virus.		1969	5817890
prevalence of antibodies to toxoplasma gondii in wild mammals of missouri and east central kansas: biologic and ecologic considerations of transmission.	sera from 273 wild mammals from missouri and kansas (usa), collected between december 1974 and december 1987, were tested for the presence of antibodies to toxoplasma gondii using the sabin-feldman dye test. sixty-five (24%) had antibodies at titers of > or = 1:8, including 38 (66%) of 58 carnivores, 14 (15%) of 94 omnivores, 13 (11%) of 117 herbivores, and none of four insectivores. the prevalence of antibodies in mice (mus musculus and peromyscus spp.) and rats (rattus norvegicus and sigmodon ...	1995	7563419
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
host-feeding patterns of aedes albopictus (diptera: culicidae) at a temperate north american site.	precipitin tests and elisa were used to investigate host-feeding patterns of 172 blood-fed aedes albopictus (skuse) collected at potosi, mo, during the summers of 1989 and 1990. one hundred ten (64.0%) mosquitoes had fed on mammals, 29 (16.9%) on birds, and none on turtles or snakes. thirty-three (19.2%) mosquitoes failed to react in all tests. eighty-six (78.2%) of the 110 mammalian feeds were positive for lower taxa as follows: rabbit, 24.5%; deer, 14.5%; dog, 13.6%; human, 8.2%; squirrel, 7.3 ...	1993	8433336
seasonal activity and host associations of ixodes scapularis (acari: ixodidae) in southeastern missouri.	based on tick collections recovered from wild vertebrates and by dragging, the seasonal occurrence of adult blacklegged ticks, ixodes scapularis say, extended from october through may in southeastern missouri. adult activity was bimodal with the higher peak occurring in november followed by a lower peak in february. the activity of immature i. scapularis had the general pattern of that found in the northeast where lyme disease is hyperendemic, with larval activity (july) peaking after that of ny ...	1999	10593072
host association and seasonal activity of amblyomma americanum (acari: ixodidae) in missouri.	from june 1993 through june 1996, 2,260 adult, 4,426 nymphal, and 2,178 larval lone star ticks amblyomma americanum (l.) were collected in missouri from vertebrate hosts and by dragging a cloth over vegetation. prevalence, mean intensity, and relative abundance of each stage varied among hosts. the relative abundance of adult lone star ticks was highest on white-tailed deer, but this stage was also collected from raccoons, opossum, red fox, coyotes, and wild turkey. nymphs were collected from gr ...	2000	11128501
host utilization and seasonal occurrence of dermacentor species (acari:ixodidae) in missouri, usa.	a total of 3,235 dermacentor variabilis (say) specimens were collected from birds, mammals, and by dragging vegetation, and 2,683 d. albipictus (packard) ticks were collected from deer from 1993 to 1996. peak seasonal occurrence of adult d. variabilis was from may through july with a precipitous decrease in august. nymphal d. variabilis populations peaked in june. peak activity of larvae was bimodal, with one activity peak during late summer (september) and a second peak in winter or early sprin ...	2000	11201355
genetic heterogeneity of borrelia burgdorferi sensu lato in the southern united states based on restriction fragment length polymorphism and sequence analysis.	fifty-six strains of borrelia burgdorferi sensu lato, isolated from ticks and vertebrate animals in missouri, south carolina, georgia, florida, and texas, were identified and characterized by pcr-restriction fragment length polymorphism (rflp) analysis of rrf (5s)-rrl (23s) intergenic spacer amplicons. a total of 241 to 258 bp of intergenic spacers between tandemly duplicated rrf (5s) and rrl (23s) was amplified by pcr. msei and drai restriction fragment polymorphisms were used to analyze these ...	2001	11427560
host associations and seasonal occurrence of haemaphysalis leporispalustris, ixodes brunneus, i. cookei, i. dentatus, and i. texanus (acari: ixodidae) in southeastern missouri.	hemaphysalis leporispalustris (packard), ixodes brunneus koch, ixodes cookei packard, ixodes dentatus marx, and ixodes texanus banks were collected during a 3-yr study of pathogen-tick-host interactions in southeastern missouri. h. leporispalustris was collected from the eastern cottontail rabbit, northern bobwhite, and carolina wren, and it was active all year. i. brunneus was collected by drag and from passerine birds during december, march, and april. i. cookei was collected from raccoons and ...	2003	12597662
comparative infectivity of babesia divergens and a zoonotic babesia divergens-like parasite in cattle.	babesia divergens-like parasites identified in human babesiosis cases in missouri and kentucky and in eastern cottontail rabbits (sylvilagus floridanus) on nantucket island, massachusetts, share identical small subunit ribosomal rna gene sequences. this sequence is 99.8% identical to that of babesia divergens, suggesting that the u.s. parasite may be b. divergens, a causative agent of human and bovine babesiosis in europe. holstein-friesian calves were inoculated with cultured nantucket island b ...	2005	16282295
detection of babesia and anaplasma species in rabbits from texas and georgia, usa.	rabbits have been shown to harbor a suite of zoonotic organisms, including a babesia species, borrelia burgdorferi, and anaplasma phagocytophilum. in this study, we conducted a molecular survey for various tick-borne pathogens in three species of rabbits from texas and georgia. of 18 black-tailed jackrabbits (lepus californicus) tested from texas, six (28%) were polymerase chain reaction (pcr) positive for babesia, and nucleotide sequencing revealed two distinct species or strains. two jackrabbi ...	2006	16584322
a call for renewed research on tick-borne francisella tularensis in the arkansas-missouri primary national focus of tularemia in humans.	arkansas-missouri has emerged as the primary u.s. focus of tularemia, which is caused by the national institute of allergy and infectious diseases category a priority pathogen francisella tularensis, over the past 30 yr. there are several pieces of indirect evidence suggesting that a key role of ticks in the transmission of f. tularensis to humans in arkansas-missouri is the primary reason why tularemia has remained a prominent disease of humans in this two-state area while fading away from othe ...	2007	17547223
rabbit tularemia and hepatic coccidiosis in wild rabbit.		2010	21122253