He's likely to be in for around 3 weeks depending on how quickly his white blood count can recover.
A complete blood count (CBC) test can check oxygen levels in the blood.
A complete blood count test, along with a physical examination of the feline, will help a veterinarian diagnose the disease.
Diagnostic tests will begin with a complete blood count (CBC), including a platelet count.
Urine and blood tests may be ordered to check for microscopic amounts of blood in the urine and to obtain a complete differential blood count.