Methods of vaccine administration, new feline caliciviruses,...

A - Human Necessities – 61 – K

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Details

A61K 38/16 (2006.01) A61K 39/12 (2006.01) A61K 48/00 (2006.01) C07K 14/08 (2006.01) C07K 16/10 (2006.01) C12N 15/40 (2006.01)

Patent

CA 2617341

The present invention relates to a vaccine for immunizing a cat against feline viruses. The present invention also relates to a nucleic acid clone that encodes the capsid protein of the isolated feline calicivirus. The present invention further relates to a live or killed vaccine comprising the isolated feline calicivirus, a subunit vaccine comprising the capsid protein of the isolated feline calicivirus, a nucleic acid vaccine comprising a nucleic acid clone of the isolated feline calicivirus, and a recombinant virus vector vaccine comprising nucleic acid encoding the capsid protein of the isolated feline calicivirus. The present invention also relates to a method for identifying a feline calicivirus useful for producing a vaccine composition and for assays for diagnosing cats infected with feline calicivirus. Also disclosed is a method of immunizing animals, especially cats, against disease, in particular against feline calicivirus (FCV). The method includes administering to a cat therapeutically effective amounts of first and second FCV vaccines. The first vaccine is administered orally or parenterally (e.g., subcutaneously, intramuscularly, and the like). The second vaccine is administered orally or oronasally N days following administration of the first vaccine, wherein N is an integer from 3 to 120, inclusive. A third vaccine administration may also be given. The present invention also describes methods and materials for treating and immunizing animals with vaccine, and in particular cats against both FPV or Feline Parvovirus, which has also been called Panleukopenia or FPL and against another disease, FHV or Feline Herpes Virus, which has also been called Feline Rhinotracheitis Virus.

Cette invention concerne un vaccin pour immuniser les chats contre les virus félins. Cette invention concerne également un clone d'acide nucléique qui code la protéine capside du calicivirus isolé, ainsi qu'un vaccin à virus vivant ou à virus tué, comprenant le calicivirus félin isolé, une sous-unité de vaccins comprenant la protéine capside du calicivirus félin isolé, un vaccin d'acide nucléique comprenant un clone d'acide nucléique du calicivirus félin isolé, et un vaccin à vecteur viral recombiné comprenant un acide nucléique codant la protéine capside du calicivirus félin isolé. Cette invention concerne en outre un procédé servant à identifier un calicivirus félin utile pour produire une composition de vaccin et des dosages pour le diagnostic des infections par le calicivirus félin chez les chats. Est également divulgué un procédé permettant d'immuniser des animaux, notamment les chats, contre des maladies telles que notamment celles causées par le calicivirus félin (FCV). Ce procédé consiste à administrer à un chat des quantités thérapeutiquement efficaces d'un premier et d'un second vaccin FCV. Le premier vaccin est administré par voie orale ou parentérale (par exemple par voie sous-cutanée, intramusculaire et similaire). Le second vaccin est administré par voie orale ou par voie oronasale N jours après l'administration du premier vaccin, N étant un nombre entier compris entre 3 et 120, inclus. Un troisième vaccin peut également être administré. Cette invention concerne également des procédés et des substances de traitement et d'immunisation d'animaux au moyen de vaccins, en particulier les chats, à la fois contre le parvovirus félin (FPV), également appelé panleucopénie (FPL), et contre d'autres maladies, telles que l'herpès-virus félin (FHV), également appelé virus de la rhinotrachéite infectieuse féline.

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