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A vaccine-associated sarcoma (VAS) or feline injection-site sarcoma (FISS) is a type of malignant tumor found in cats (and, often, dogs and ferrets) which has been linked to certain vaccines. VAS has become a concern for veterinarians and cat owners alike and has resulted in changes in recommended vaccine protocols.
Feline vaccination is animal vaccination applied to cats. Vaccination plays a vital role in protecting cats from infectious diseases , some of which are potentially fatal. They can be exposed to these diseases from their environment, other pets, or even humans.
This not only makes the development of vaccines more difficult, but also allows for the development of more virulent strains. [3] In persistently infected cats, the gene for the major structural protein of the viral capsid (the outer protein coat of a mature virus) has been shown to evolve through immune-mediated positive selection , which ...
Potential side effects of the 2023 vaccine: This fall’s updated COVID vaccine is new, but it does not produce new, unknown or harsher side effects. “I get that people might be worried about ...
Domestic cats living in a group therefore have a much higher epidemiological risk of mutation. After this mutation, the FCoV acquires a tropism for macrophages, while losing intestinal tropism. [7] In a large group of cats, n, the epidemiological risk of mutation (E) is higher and expressed theoretically as: E = n 2 −n. A house hosting 2 cats ...
Humans can be infected though contact with a cat, including exposure to respiratory droplets from the animal's cough or sneeze, or by being bitten by an infected flea carried home by the cat. What ...
Some claimed vaccine injuries are not, in fact, caused by vaccines; for example, there is a subculture of advocates who attribute their children's autism to vaccine injury, [7] despite the fact that vaccines do not cause autism. [8] [9] Claims of vaccine injuries appeared in litigation in the United States in the latter part of the 20th century.
Feline immunodeficiency virus (FIV) is a Lentivirus that affects cats worldwide, with 2.5% to 4.4% [1] [2] of felines being infected.. FIV was first isolated in 1986, by Niels C Pedersen and Janet K. Yamamoto at the UC Davis School of Veterinary Medicine in a colony of cats that had a high prevalence of opportunistic infections and degenerative conditions and was originally called Feline T ...