This electron micrograph depicts the retrovirus, Feline Leukemia Virus (FeLV) . FeLV is a very common, often fatal feline disease passed from one cat to another via adversarial bites, or when one cat sneezes on another, or shares a food bowl. A cat may be vaccinated in order to protect it from acquiring this virus.

Photo credit: CDC

Source:CDC's Public Health Image Library Image #5610

This image is a work of the Centers for Disease Control and Prevention , part of the United States Department of Health and Human Services , taken or made as part of an employee's official duties. As a work of the U.S. federal government , the image is in the public domain . eesti ∙ Deutsch ∙ čeština ∙ español ∙ português ∙ English ∙ français ∙ Nederlands ∙ polski ∙ slovenščina ∙ suomi ∙ македонски ∙ українська ∙ 日本語 ∙ 中文（简体）‎ ∙ 中文（繁體）‎ ∙ العربية ∙ +/−