When the infected tick bites another animal, the infection is passed along. In the Unites States, it appears that wild felids, such as bobcats, are the usual hosts for Cytauxzoon. In these animals, it appears that thee disease is without signs. However, when domestic cats become infected, the disease has a rapidly fatla course. Observed signs have included loss of appetite, labored breathing, lethargy, dehydration, depression, page mucous membranes, and a high fever.
Cats usually succumb to the disese within a week after signs appear.