1. Its immune system will be weak and vulnerable to various diseases.
2. It may be more susceptible to infectious diseases, such as colds and cat plague.
3. For some common cat diseases, such as parvovirus infection, it may not produce enough immunity to resist the virus.
4. When it encounters pathogens, its body may not be able to cope effectively, leading to aggravation and even death.
5. Pay more attention to its health and find and treat potential diseases in time.