Yellow fever

The 2 -C-methyl-substituted ribonucleosides 2 -C-methyladenosine and -guanosine were also found to inhibit the replication of flaviviruses other than HCV, such as bovine viral diarrhea virus (BVDV), yellow fever virus, and West Nile virus (Mighaccio et al. 2003). Other 2 -C-methylribonucleosides such as P-D-2 -deoxy-2 -lluoro-2 -C-methylcytidine (PSl-6130), however, showed little if any activity against BVDV, West Nile virus, or yellow fever virus (Stuyver et al. 2006). [Pg.78]

CarriUo A, Stewart KD, Sham HL, Norbeck DW, Kohlbrenner WE, Leonard JM, Kempf DJ, Molla A (1998) In vitro selection and characterization of human immunodeficiency virus type 1 variants with increased resistance to ABT-378, a novel protease inhibitor. J Virol 72 7532-7541 Chambers TJ, Nestorowicz A, Amberg SM, Rice CM (1993) Mutagenesis of the yellow fever virus NS2B protein effects on proteolytic processing, NS2B-NS3 complex formation, and viral replication. J Virol 67 6797-6807... [Pg.103]

Embryonated hens eggs are still the most convenient hosts for the growth of the vimses that are needed for influenza and yellow fever vaccines. Influenza vimses accumulate in high litre in the allantoic fluid of the eggs and yellow fever vims accumulates in the nervous systems of the embryos. [Pg.309]

Yellow fevert Aqueous homogenate of chick embryos infected with attenuated yellow fever virus 170 1 Centrifugation to remove cell debris 2 Freeze drying Infectivity-titration in cell cultures by plaque assay Tests to exclude extraneous viruses... [Pg.314]

For those infectious diseases that are transmitted to humans via insect vectors the onset and decline phases of epidemics are rarely observed other than as a reflections of the seasonal variation in the prevalence of the insect. Rather, the disease is endemic within the population group and has a steady incidence of new cases. Diseases such as these are generally controlled by public health measures and environmental control of the vector with vaccination and immunization being deployed to protect individuals (e.g. yellow fever vaccination). [Pg.324]

The ideal of any vaccine is to provide life-long protection to the individual against disease. Immunological memory (Chapter 14) depends upon the survival of cloned populations of small B and T lymphocytes (memory cells). These small lymphocytes have a lifespan in the body of ca. 15-20 years. Thus, if the immune system is not boosted, either by natural exposure to the organism or by re-immunization, then immunity gained in childhood will be attenuated or lost completely by the age of 30. Those vaccines which provide only poor protection against disease have proportionately reduced time-spans of effectiveness. Yellow fever vaccination, which is highly effective, must therefore be repeated at 10-year intervals, whilst typhoid vaccines are only effective for 1-3 years. Whether or not immunization in childhood is boosted at adolescence or in adult life depends on the relative risks associated with the infection as a function of age. [Pg.327]

Whilst not recommended for routine administration, vaeoines additional to those represented in the juvenile programme are available for individuals in special risk categories. These categories relate to oeeupational risks or risks associated with travel abroad. Such immunization protocols include those directed against cholera, typhoid, meningitis (types A, C), anthrax, hepatitis A and B, influenza, Japanese encephahtis, rabies, tick-borne encephalitis, and yellow fever. [Pg.336]

HCV is a small enveloped single-stranded RNA virus belonging to the Flaviviridae family and Hepacivirus genus [12]. Other Flaviviridae members include the flaviviruses such as yellow fever virus, and pestiviruses, which are responsible, for example, for bovine viral diarrhea [13]. The most closely related virus identified to date is GBV-B, which infects the tamarind, a new world monkey. GBV-B has also been tentatively classified as a Hepacivirus... [Pg.67]

IGIM should be injected into a deltoid or gluteal muscle. It does not affect the immune response of inactivated vaccines, oral polio virus, or yellow fever vaccine. The administration of live vaccines [e.g., measles, mumps, rubella (MMR) vaccine] concomitantly with IGIM may decrease the immune response significantly thus, MMR and varicella vaccine should be delayed for at least 3 and 5 months, respectively, after IGIM has been administered. Additionally, IGIM should not be given within 2 weeks of the MMR administration or within 3 weeks of the varicella vaccine to maximize the efficacy of the immunization.1... [Pg.351]

The use of economic poisons has expanded in the field of public health since their indispensability has been shown in the control of insect-borne diseases. The organic insecticides, especially DDT, are now being used extensively in the control of malaria, yellow fever, dysentery, and other diseases. Their use in this field will certainly expand for years to come. [Pg.5]

Diseases which will probably be subject to control by insecticides but have not yet been adequately tested include sandfly fever, dengue, urban yellow fever, bartonellosis, cutaneous leishmaniasis, Chagas disease, filariasis, trench fever, and louse-born relapsing fever. Some of the virus encephalitides. sleeping sickness, and visceral leishmaniasis may also be susceptible of control. [Pg.56]

As mosquito larvae are relatively easy to kill with insecticides, any toxic spray residue is likely to be detected. Two species of mosquito larvae were used, the yellow fever mosquito (Aedes aegypti L.) and the southern house mosquito (Culex quinquefasdatus Say). Tests with the southern house mosquito were made essentially according to the method of Campbell, Sullivan, and Smith (I), except for the kind of food supplied and size of containers used. [Pg.99]

Larvae of the yellow fever mosquito, which are shallow feeders, were reared at room temperature by methods similar to those used in culturing Anopheles mosquito larvae (2, 6). Filter papers containing the eggs (furnished through the courtesy of R. E. Heal, Merck Co., Inc., Rahway, N. J.) were placed in tap water in shallow porcelain pans (12 X 7 inches, and 2 inches deep). The eggs hatched within 24 hours. When the larvae had hatched, powdered dog biscuit was added daily at the rate of 100 mg. per liter of water. [Pg.99]

New Orleans was also filthy, no different in this respect from Paris. Garbage and waste clogged the streets of both cities, and disease was epidemic. During Rillieux s last year in Paris, cholera killed 18,402 people, most of them desperately poor. The year Rillieux arrived home, yellow fever struck New Orleans 8000 people, one-sixth of the town s population, died. [Pg.36]

Suggested Alternatives for Differential Diagnosis Hepatitis, meningitis, Rocky Mountain spotted fever, malaria, yellow fever, leptospirosis, rickettsioses, river viruses, scrub typhus, typhoid, and other viral infections. [Pg.541]

Suggested Alternatives for Differential Diagnosis Leptospirosis, malaria, salmonella infection, lupus, typhoid fever, shigellosis, meningococcemia, yellow fever and other viral hemorrhagic fevers, rickettsial infections, thrombocytopenic purpura, acute leukemia, disseminated intravascular coagulation, hemolytic uremic syndrome. [Pg.553]

CDC Case Definition A mosquito-borne viral illness characterized by acute onset and constitutional symptoms followed by a brief remission and a recurrence of fever, hepatitis, albuminuria, and symptoms and, in some instances, renal failure, shock, and generalized hemorrhages. Laboratory criteria for diagnosis is (1) fourfold or greater rise in yellow fever antibody titer in a patient who has no history of recent yellow fever vaccination and cross-reactions to other flaviviruses have been excluded or (2) demonstration of yellow fever virus, antigen, or genome in tissue, blood, or other body fluid. [Pg.588]

Material Safety Data Sheet-Infectious Substances Yellow Fever Virus. March 5,2001. [Pg.590]

Fact Sheet 100 Yellow Fever. Geneva Health Communications and Public Relations, December... [Pg.591]

Yellow Branch Yellow Branch of Citrus Yellow Cross Liquid Yellow Fever Yellow Jack Yellow No. 2 Yellow Rain Yellow Rust Yellow Shoot of Citrus... [Pg.711]

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