St. Louis Encephalitis Vector Studies in Houston, Texas, 1964

Sudia, W. D.; Coleman, Philip H.; Chamberlain, Roy W.; Wiseman, J. S.; Work, T. H.

doi:10.1093/jmedent/4.1.32

Cited by 12 publications

(9 citation statements)

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“…p. quinquefasciatus , and Cx. nigripalpus 16–18 . Culex p. quinquefasciatus feeds on avian and mammalian hosts,19–21 is a competent vector of SLEV in the laboratory,22,23 and has been found in nature infected with SLEV 18,24…”

Section: Introductionmentioning

confidence: 99%

Environmental and Biological Factors Influencing Culex pipiens quinquefasciatus Say (Diptera: Culicidae) Vector Competence for Saint Louis Encephalitis Virus

Richards¹,

Lord²,

Tabachnick³

et al. 2009

The American Journal of Tropical Medicine and Hygiene

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Complex interactions between environmental and biological factors influence the susceptibility of Culex pipiens quinquefasciatus to St. Louis encephalitis virus and could affect the epidemiology of virus transmission. Similar interactions could have epidemiologic implications for other vector-virus systems. We conducted an experiment to examine four such factors in combination: mosquito age, extrinsic incubation temperature (EIT), virus dose, and colony. The proportion of mosquitoes with body infections or disseminated infections varied between colonies, and was dependant on age, EIT, and dose. We also show that the probability of a body or leg infection interacted in complex ways between colonies, ages, EITs, and doses. The complex interactive effects of environmental and biological factors must be taken into account for studies of vector competence and epidemiology, especially when laboratory studies are used to generalize to natural transmission dynamics where the extent of variation is largely unknown.

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Section: Introductionmentioning

confidence: 99%

Environmental and Biological Factors Influencing Culex pipiens quinquefasciatus Say (Diptera: Culicidae) Vector Competence for Saint Louis Encephalitis Virus

Richards¹,

Lord²,

Tabachnick³

et al. 2009

The American Journal of Tropical Medicine and Hygiene

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“…The prototype of Flanders virus, strain 61-7484, was isolated from a pool of 25 unengorged adult female Culiseta melanura mosquitoes collected 8 August 1961, in Flanders, Long Island, N.Y. (14). Similar agents have been isolated from mosquitoes collected in the southeast United States (9), Kentucky (8), Tennessee (13), Texas (12), Illinois (7), Missouri (7), Saskatchewan (5), and Utah (4). Flanders virus has also been isolated from diluted blood obtained from house sparrows and red-winged blackbirds collected in Illinois (7) and the spleen of an oven bird collected in New York (14).…”

mentioning

confidence: 99%

Serological Comparisons Among Hart Park Virus and Strains of Flanders Virus

Boyd

1972

Infect Immun

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The antigenic relationships among Hart Park (HP) virus strain AR 70, Flanders virus strain 61-7484, and other related strains were investigated. Strains AR 70 and 61-7484 were shown to be antigenically related but different from each other in neutralization, complement fixation, and double-diffusion tests. Two strains isolated in Texas and one strain each, isolated in Illinois and Florida, appeared to be closely related if not identical to Flanders virus (61-7484) and antigenically related but different from HP virus AR 70. Ten additional strains isolated in 10 different states were compared to the two prototype strains. Seven of the 10 could not be distinguished from Flanders virus, and all 10 strains were different from HP virus. The results indicate that a virus-type consisting of viruses antigenically related if not identical to Flanders virus is widely distributed within the United States, whereas HP virus is antigenically related but different from this type.on August 5, 2020 by guest http://iai.asm.org/ Downloaded from

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“…This accomplished the trapping of the main vector for SLE and WNV, the Southern house mosquito, Cx. quinquefasciatus (Chamberlain et al , Sudia et al ). Harris County is divided into 268 mosquito control operational areas (MCOA), where half are monitored by GV traps and the other half with CDC light traps (SS).…”

Section: Mosquitoes Of Harris County and The City Of Houston Texas mentioning

confidence: 99%