Nasal preparations and processes for their production

Details Nasal preparations and processes for their production Nasal preparations and processes for their production

A - Human Necessities

61

K

167/199

A61K 31/73 (1980.01)

Patent

CA 1156143

Case 4-12418/+ Nasal preparations and processes for their production Abstract The present invention relates to nasal preparations which contain, as active ingredient, one or more nitrogen- containing polysaccharide obtained from fungi, in particular the polysaccharide krestin, and which exert a prophylactic action lasting several days against infections caused by viruses of the respiratory tract, especially influenza A and B biruses, as well as vaccine nasal preparations which contain the above mentioned active ingredient together with viruses of the respiratory tract of at least one strain and which impart a long-term protective action on single administration. The invention is also concerned with the production and use of these nasal preparations.

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