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PubMedDate not supplied

Acute meningitis owing to phlebotomus fever Toscana virus imported to France.

Acute lymphocytic meningitis, seen in France in summer, is often due to enteroviruses. Arboviruses as West Nile and tick-borne encephalitis do exist in Europe, but other viruses are rarely considered in patients unless they have had recent tropical travel. Toscana virus infection, which is endemic, especially in Italy,1-3 has been documented in some European travelers returning from Italy,4-6 but surprisingly was not documented in France until recently.7 We report a case of meningitis caused by Toscana virus imported to France.

Acute Disease↗
PubMed1983

A sero-epidemiological survey for Bunyaviridae and certain other arboviruses in Pakistan.

Complement fixation test reactions to the following viruses were studied in 372 samples (157 rodents, 172 domestic animals, 43 persons) from Pakistan: Bunyaviridae, Phlebovirus: Phlebotomus fever Sicilian (PFS), Phlebotomus fever Naples (PFN), Karimabad (KAR), Salehabad (SAL); Nairovirus: Crimean-Congo haemorrhagic fever (CCHF), Hazara (HAZ), Dera Ghazi Khan (DGK), Dhori (DHO); Uukuvirus: Manawa (MWA); "possible members": Bakau (BAK), Bhanja (BHA). Reoviridae, Orbivirus: Wad Medani (WM). Unclassified: Wanowrie (WAN). Four of these viruses are Phlebotomus-borne (PFS, PFN, KAR, SAL). The other nine ar tick-borne. Antibodies against each virus were detected in sera from rodents. Antibodies against PFS, PFN, KAR, CCHF, DGK, BHA, WM and WAN viruses were detected in sera from domestic animals. Antibodies against PFS, CCHF, DGK, DHO, MWA, BHA, and BHA and WAN viruses were detected in human sera. The presence in Pakistan of KAR, DHO, BHA, and WAN viruses is documented for the first time. Over-all prevalence rates were highest for BHA (12.1%) and WM (10.7%) viruses, followed by DGK, CCHF, PFN and PFS (4.0 to 5.4%) and DHO, KAR, WAN, SAL, MWA, BAK and HAZ (0.3 to 2.1%). Epidemiological factors relating to virus circulation and human disease are discussed.

Adult↗
PubMed1977

Effect of insecticide spraying for malaria control on the incidence of sandfly fever in Athens, Greece.

Sera from 637 Athens residents of various age groups were examined by plaque reduction neutralization test for antibodies against Naples and Sicilian Phlebotomus fever viruses. A marked change in the prevalence of antibodies to both agents was observed in persons born after 1946, when residual insecticide spraying for malaria control was initiated in Greece. The prevalence of Naples and Sicilian neutralizing antibodies among residents greater than or equal to 30 years of age was 36% and 13%, respectively. In contrast, only 4% of persons less than or equal to 29 years of age had Naples antibodies and all were negative to Sicilian. These serologic data confirm previous clinical observations that sandfly fever becam uncommon in Athens after initiation of the insecticide spraying program. Presumedly the spraying program was effective in reducing the Phlebotomus population to levels where virus transmission was minimal. New information on the specificity and duration of Phlebotomus fever neutralizing antibodies is also presented.

Adolescent↗
PubMedDate not supplied

[Natural foci of viruses borne by Phlebotomus papatasi in the USSR according to a serologic study of the population].

Seven hundred sixteen blood serum specimens from residents of presumable foci of phlebotomus fevers in Turkmenia, Tajikistan, Uzbekistan, Azerbaijan, and Moldavia were examined by the neutralization, complement fixation, hemagglutionation-inhibition and indirect immunofluorescence tests for the presence of antibody to viruses of the group of phlebotomus fevers (Sicilyan, Neapolitan, and Karimabad) and to rhabdovirus isfahan transmitted by phlebotomus papatasi. For the first time, antibody to Karimabad and Isfahan viruses were found in residents of the Central Asian republics. Antibody to Sicilyan and Neapolitan fevers were found in residents of all the republics examined. Data have been obtained indicating probable pathogenicity of Isfahan virus for man.

Antibodies, Viral↗
PubMed1989

Characterization of five new phleboviruses recently isolated from sand flies in tropical America.

Five new phlebotomus fever virus serotypes (Bunyaviridae: Phlebovirus) are described. These viruses, designated Ambe, Ixcanal, Mariquita, Armero, and Durania, were isolated from sand flies (Diptera: Psychodidae) collected in Brazil, Colombia, and Guatemala. Two of the agents were recovered from pools of male sand flies. The new viruses are antigenically related to other members of the phlebotomus fever serogroup by immunofluorescence, but are distinct from the other 39 members of this serogroup by plaque reduction neutralization test.

Animals↗
PubMedDate not supplied

[Virus transmission to man from Phlebotomus flies: role of the Tuscany virus (Bunyaviridae, Phlebovirus) in the etiology of infections of the central nervous system].

During field studies on the ecology of arboviruses in Italy, strains of a new virus were isolated from sand flies, mostly females, of a pure colony of Phlebotomus perniciosus collected in a central Italian region (Tuscany). The prototype was named Toscana (TOS) virus, assigned to the Phlebotomus fever serogroup of arboviruses (family Bunyaviridae, genus Phlebovirus) and registered in 1980 in the International Catalogue of Arboviruses. Neutralizing antibodies to TOS virus were detected in human sera. Serologic surveys were carried out to estimate the natural distribution of TOS virus in Italy and it was shown that antibodies to this virus could be detected in humans mainly of the Tuscany region. In particular, a high infection rate (24.8%) was observed among residents of the province of Florence. Furthermore, several patients with a diagnosis of aseptic meningitis presented a serologic response which reflected a recent infection with TOS virus in the Tuscany and Marche regions. Consequently, between 1980 and 1986 studies were conducted at selected sites of the Tuscany region to determine the possible occurrence of vectors and presence of foci of TOS virus and to assess its public health importance. As a result of these investigations, several virus strains were isolated from pools of wild caught Ph. perniciosus and Ph. perfiliewi. Of the virus isolates obtained, 37 were identified as TOS virus and 47 as a new serotype, member of the Phlebotomus fever group. For this virus we suggested the name of Arbia (ARB) virus, Arbia being the river flowing across both Florence and Siena provinces from which the isolates originated.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗