However, due to a ruling in federal court, these drugs are not yet available in the United States. In February 2014, a federal Appeals Court upheld a lower court ruling that Pfizer's patent for Lyrica (pregabalin) remains valid, thus preventing generic competition for the drug through 2018.
What is FIV and how is it transmitted? FIV (Feline Immumodeficiency Virus) is a retrovirus in the same family as the human AIDS virus, with a few significant differences. It is estimated that in the United States, 2% of cats are infected with the FIV virus. http://cats.about.com/cs/healthissues/a/fiv_in_cats.htm.
Cats that are at risk for feline leukemia should be vaccinated. Others should not. Photo Credit: Magic Madzik/Flickr.com. Feline leukemia is a relatively common disease in cats. Unlike leukemia in people, feline leukemia is caused by a virus. The disease is contagious and is usually fatal once signs of disease appear. However, many cats test positive for the feline leukemia virus without showing signs of disease.