orange tabby cat displaying discomfort due to feline herpes virus (fhv)

orange tabby cat feline herpes virus fhv infection discomfort tears snot veterinary medicine symptoms illness nasal discharge respiratory disease treatment animal health care sick eyes nose sneezing kitten mucus immune diagnosis pet coughing contagious doctor clinical fur pets kitty mammal cats furry portrait displaying infected exhibiting including tearful discharge case highlights common issues associated importance managing patients