The subcutaneous application of HDM allergen, together with A-type CpG ODN packaged into VLP, was safe. All patients achieved practically complete alleviation of allergy symptoms after 10 weeks of immunotherapy. This promising clinical outcome calls for larger placebo-controlled phase II studies.

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Hepatitis E is transmitted mainly by water or food, but in industrialized countries, all routes of transmission have not been identified. We describe possible zoonotic transmission of hepatitis E virus that involved direct contact between a pet pig and its owner.

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1. Three different methods are described for the visualisation of the Thomsen-Friedenreich (TF) antigen on cell suspensions, formalin-fixed and paraffin embedded or frozen tissue sections: a) Rosette formation with chicken and sheep erythrocytes. b) Fluorescence-microscopy with fluorescein labelled peanut agglutinin. c) Autoradiography with 3H-labelled peanut agglutinin. 2. The TF antigen was shown, as far as presently investigated, to be exposed on various blood cells, glomerula of the kidney and normal mammary gland after neuraminidase treatment. Mammary gland was also shown to possess TF receptors without prior treatment with neuraminidase. 3. The exposure of this cryptantigen can be brought about by bacterial or viral neuraminidase and is followed by an antigen/antibody reaction, which can lead to possible pathological consequences.

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