Search Search Search You must have JavaScript enabled to use this form. Topic Shelter Medicine (-) Specific Medical Conditions Feline Retroviruses Heartworm Active FiltersSpecific Medical Conditions Group 9 Clear All Feline Leukemia Virus (FeLV) Learn more about Feline Leukemia Virus (FeLV), a viral infection that affects shelter cats. Improving Access to Heartworm Treatment ASPCA collaborated with Emancipet on research showing that effective and safe heartworm disease treatment can be provided at lower cost using a technician-leveraged, high-volume outpatient model. Feline Immunodeficiency Virus (FIV) Learn about Feline Immunodeficiency Virus (FIV), including prevention, clinical signs, transmission, diagnosis, treatment, and management.