Publications

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intrinsic interference: a unique interference system used in assaying non-cytopathic viruses. 19674301198
intrinsic interference: a new type of viral interference.the hemadsorption-negative plaque test has revealed a new type of viral interference, termed intrinsic interference. several unrelated types of noncytopathic viruses were shown to induce in infected host cells a state of interference unique in being directed solely against superinfection by newcastle disease virus (ndv). the ndv-refractory state arises only in those individual cells of a population actually infected by the inducing virus, and presumably results from the action of a protein(s) co ...19674318951
the effect of escherichia coli endotoxin on virus infectivity. 19674382474
antiviral substances in plants of the mint family (labiatae). 3. peppermint (mentha piperita) and other mint plants. 19674290278
[comparison with chromatography on deae-sephadex of hemagglutinins of japanese b encephalitis virus (nakayama strain) and of a neighboring strain isolated in vietnam]. 19674294563
[research on the presence of antibodies against viruses of the groups a, b, and d (bunyamwera) in inhibitants of the oltenia region]. 19674298143
[study of optimal conditions for the formation of interferon in arbovirus inoculation of chick embryo cell cultures]. 19675598809
[a study of the hemagglutinating properties of west nile virus]. 19675607286
[a study of various group a, b and bunyamwera arboviruses]. 19675611004
[antibodies against virus transmitted by arbovirus of the b group arthropods in animals of the south of portugal. preliminary blood analysis with the west nile virus, egypt 101 species]. 19675617507
geographic variation in the antigenic character of west nile virus. 19676017271
antiviral action of oxidized spermine: inactivation of certain animal viruses. 19676060573
ecological studies on sindbis and west nile viruses in south africa. ii. mosquito bionomics. 19676063057
ecological studies on sindbis and west nile viruses in south africa. i. viral activity as revealed by infection of mosquitoes and sentinel fowls. 19676063058
ecological studies on sindbis and west nile viruses in south africa. 3. host preferences of mosquitoes as determined by the precipitin test. 19676063059
[development of serum antibodies in 4 cases of west nile virus infection]. 19676076185
pathogenesis of west nile virus encephalitis in mice and rats. 1. influence of age and species on mortality and infection. 19676081390
neurological and eeg follow-up in encephalitis due to west nile fever. 19674166756
application of immunodiffusion methods to the antigenic analysis of dengue viruses. ii. immunoelectrophoresis. 19685638318
isolation of west nile virus strains from mosquitoes in israel. 19685652339
the occurrence of interferon in the cerebrospinal fluid in patients with bacterial meningitis. 19685662498
arbovirus haemagglutinins: differential susceptibility to typsin. 19685667077
[epidemiology of the west nile virus: study of an outbreak in camargue. i. introduction]. 19685674587
growth of arboviruses in monolayers from subcultured mosquito embryo cells. 19685677803
[partial purification and characterization of interferon from mouse brain]. 19685679338
potentiation of experimental arbovirus encephalitis by immunosuppressive doses of cyclophosphamide. 19685684888
failure to demonstrate a relationship between scrapie and production of interferon in mice. 19685691075
[histological lesions of the nervous system in west nile virus infection in horses]. 19685691881
[antibodies against arbovurus b in humans and domestic animals in southwestern rumania]. 19685693774
persistence of west nile virus in l-929 mouse fibroblasts. 19685696789
[epidemiology of west nile virus. study of a center in camargue. 3.-human diseases]. 19685711530
the occurrence of virus and interferon in the spleen, serum and brain in mice after experimental infection with west nile virus. 19685721202
selection of a "temperature" resistant mutant of west nile virus. 19685729636
ecological studies on sindbis and west nile viruses in south africa. iv. infection in a wild avian population. 19685731827
greater specificity of 19s than 7s antibodies on haemagglutination-inhibition tests with closely related group b arboviruses. 19684299015
study on a serum inhibitor to west nile virus. 19684384412
the growth of arboviruses in mosquito cells in vitro. 19684385155
[epidemiology of the west nile virus: study of an outbreak in camargue. ii. outline of the physical, biological and human environment]. 19684386310
establishment, steady state and cure of a chronic infection of llc cells with west nile virus. 19684306836
growth of arboviruses in primary tissue culture of aedes aegypti embryos. 19684869110
[crystalloid structures in the cytoplasm of lymphatic cells of different monkeys]. 19684969312
isolation of an "antigenic variant" of west nile virus, originating from a chronic infection of the virus in llc cells. 19684974269
[experimental encephalitis caused by west-nile virus in mice: ultrastructural aspects of the central nervous system]. 19694981228
[qualitative and quantitative relationships among the results of the passive hemagglutination test, the neutralization test in tissue culture and the diffuse precipitation in agar test in a study of human sera from foci of west nile fever in azerbaijan]. 19694983982
survey for antibodies to arboviruses in the serum of various animals in israel during 1965-1966. 19694889830
[study of the mechanism of loss of sensitivity to the protective action of exogenous interferon in cells infected by murine sarcoma virus]. 19694308008
[diagnostic procedures in exanthematous diseases, with special reference to some viral exanthemas]. 19694312355
observations on dengue fever, benign protector and killer: a dr. jekyll and mr. hyde. 19694388466
arbovirus haemagglutinin: inactivation by high pressures. 19694389037
behaviour of infectious rna from four different viruses in continuously subcultured aedes aegypti mosquito embryo cells. 19694302398
enhancement of responses to chemical carcinogens by nononcogenic viruses and antimetabolites. 19694305961
markers differentiating type 3 parainfluenza virus grown at 25 and 37 c.serial passage of the 64-2389 strain of type 3 parainfluenza virus in cercopithecus monkey kidney tissue cultures at low temperatures resulted in the selection of a variant which had a higher efficiency of plaque formation at 25 c than the parent line grown at 37 c. the cold variant, unlike the parent strain, plaqued readily at 25 c, and at 37 c it produced significantly larger plaques. virus titers of the cold variant in hamster lungs were significantly lower and this was probably caused by the ...19694306261
survey for antibodies to arboviruses in serum of animals from southern portugal. 19695768776
a study on the cytopathic effect of arboviruses on cultures from aedes albopictus cell line. 19695771694
live and inactivated vaccines of group b arboviruses: role of neutralizing antibody and serum protective factor. 19695796005
the occurrence of virus and interferon in spleen, serum and brain in steroi-treated mice under experimental infection with west nile virus. 19695822967
dual infections of mosquitoes with strains of west nile virus. 19695360488
the effects of antilymphocyte serum on viraemia and serum interferon of mic3e infected with west nile virus. 19695368234
[the effect of conditions of collection and preservation of serum until the time of testing on the efficiency of adsorption with kaolin or extraction with acetone for the purpose of hemagglutination inhibition with west nile virus]. 19695371259
the possible role of circulating interferon on autointerference in mice infected intraperitoneally with west nile virus. 19695383715
[on infections produced by some arboviruses of the b group in men and some domestic animals in rumania]. 19695392691
ecological studies on sindbis and west nile viruses in south africa. v. the response of birds to inoculation of virus. 19695392770
ecological studies on sindbis and west nile viruses in south africa. vi. the antibody response of wild birds. 19695392771
[preliminary findings on the possible role of culicoides nubeculosus in circulating west nile fever virus]. 19695400217
[the effect of beta-propiolactone and heat on the antigenic properties of a series of arboviruses]. 19695407009
increased survival in mice inoculated with tumor cells and treated with interferon preparations.repeated administration of potent mouse interferon preparations increased the survival of balb/c and c 57/b1(6) mice inoculated with 2,000-3,000 rc(19) and el(4) tumor cells. only 7/188 (3.7%) untreated mice (or mice treated with control preparations) survived more than 22 days after intraperitoneal inoculation of rc(19) tumor cells. none survived more than 60 days. in contrast, 101/103 (98%) interferon-treated mice survived beyond 22 days, and sixteen (15%) survived more than 60 days. none of t ...19695257966
studies on arboviruses in egypt. ii. contribution of arboviruses to the aetiology of undiagnosed fever among children.acute blood samples from 120 children, attending the fever hospital in alexandria and complaining of fever, were collected and examined for haemagglutination-inhibiting (hai) and complement-fixing (cf) antibodies against the following arbovirus antigens; sindbis, west nile (wn), yellow fever, dengue 1, sandfly fever, quaranfil, chenuda and nyamanini. positive reactions in the acute sera were only detected against sindbis (4.3%) and wn (4.3%) antigens. the convalescent sera obtained from 48 of th ...19705272347
quantitative experiments on the vector capability of culex (culex) pipiens fatigans wiedemann with west nile and sindbis viruses. 19705451045
quantitative experiments on the vector capability of culex (culex) univittatus theobald with west nile and sindbis viruses. 19705451049
[epidemiology of the west nile virus: study of a focus in camargue. iv. meningo-encephalomyelitis of the horse]. 19705461277
[epidemiology of west nile virus: study of a focus in camargue. v. the fector: culex modestus ficalbi diptera; culicidae]. 19705464130
isolation of west nile virus from a human case of febrile illness. 19705505204
[use of a color test for titrating antibodies to west nile virus in microvolumes of sera]. 19705505414
isolation of the west nile virus from the frugivorous bat, rousettus leschenaulti. 19705534069
[study of an animal reservoir in the cycle of some arboviruses in central africa. ii. experimental viremia in wild rodents with yellow fever and west nile viruses]. 19705536446
ricefield development and arbovirus epidemiology, kano plain, kenya. 19704394987
the use of rivanol for removal of nonspecific inhibitors of arbovirus haemagglutination. 19704394993
arboviruses and central nervous system disorders in egypt. 19704394994
age-related cellular resistance of the chicken embryo to viral infections. ii. inducible resistance produced by influenza virus and escherichia coli. 19704316148
serological survey on viral antibodies in iran. 19704317129
experimental encephalitis following peripheral inoculation of west nile virus in mice of different ages.experimental arbovirus infections of mice provide a convenient model to study factors which determine the occurrence or severity of encephalitis following extraneural infection with certain neurotropic viruses. varying doses of west nile or powassan viruses were inoculated by intraperitoneal or intramuscular routes into mice of varing ages; individual variables were manipulated to influence the outcome of infection. three patterns of pathogenesis were delineated: (1) fatal encephalitis, preceded ...19704917916
[multiplication of west nile virus in cell cultures of chick embryo, observed by electron microscope]. 19704988162
[isolation of a west-nile virus in the extreme south of the algerian sahara (djanet)]. 19704148584
immunosuppression: a means to assess the role of the immune response in acute virus infections. 19715001450
survey for antibodies to arboviruses in egyptian sera. i. west nile virus antihemagglutinins in human and animal sera. 19715094710
[on the viral etiology of some types of meningoencephalitis appearing in rumania]. 19715127274
[gel chromatography of arbovirus suspensions on sepharose]. 19715129936
the influence of poly i:c on the course of infection in mice inoculated with west nile virus. 19715130442
protection against west nile virus induced by a previous injection with dengue virus. 19715133787
[experimental reproduction of meningo-encephalomyelitis of horses with west nile arbovirus. ii. anatomo-clinical study]. 19715135261
[experimental reproduction of meningo-encephalomyelitis of horses with west nile arbovirus. 3. relations between virology, serology, and anatomo-clinical evolution. epidemiological and prophylactic consequences]. 19715135262
[the existence of arbovirus group b (casals) disclosed by serological analysis of various animal species in the province of banat (rumania)]. 19715146297
serologic evidence of arbovirus infection in lebanon. 19715146631
serologic evidence of arbovirus infection in lebanon. 19715149804
[cultivation of various arboviruses in new transplantable lines of mouse fibroblasts]. 19715168877
[detection of hemagglutination-inhibiting antibodies to arboviruses in sera of young individuals in the federal republic of germany and in the republic of togo (west africa)]. 19714403535
on the japanese b--west nile virus complex or an arbovirus problem of six continents. 19714396497
physico-chemical and antigenic properties of some nonspecific inhibitory substances of arbovirus haemagglutination. 19714397348
antibodies to arboviruses in birds in czechoslovakia. 19714398090
immunological surveys of arbovirus infections in south-east asia, with special reference to dengue, chikungunya, and kyasanur forest disease.serological surveys have been widely used in south-east asia to determine the presence and activity of arboviruses. the haemagglutination-inhibition test has been most frequently employed but complement-fixation and neutralization tests have also been used in some investigations.although virus isolations provide the most conclusive evidence, they can be carried out in a few specialized centres only, and serological surveys are very important for studying the distribution of arboviruses.the surve ...19714400821
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