Because these two vaccinations are the most useful for cats, and other vaccines are less useful.
The vaccinations that are required for cats are called core vaccinations, which means that they are recommended for all cats and protect against the most important diseases that they are susceptible to and that are difficult to treat.
There are only two core vaccinations: the feline triple vaccine and the rabies vaccine.
So, the so-called "non-core vaccines" in China are either ineffective or bogus, and are all IQ-taxed.
Vaccines are biological products made from various types of pathogenic microorganisms for preventive inoculation. Among them, vaccines made from bacteria or spirochetes are also known as bacteriophages.
Vaccines are divided into live and dead vaccines. Commonly used live vaccines are BCG, polio vaccine, measles vaccine, plague vaccine and so on. Commonly used dead vaccines are pertussis vaccine, typhoid vaccine, influenza vaccine, cholera vaccine and so on.
The production time varies from vaccine to vaccine, and some vaccines may take up to 22 months to produce a single batch. Vaccine development is a long and complex process and can be very costly.
Vaccination is the most cost-effective and efficient public ****health intervention to prevent and control infectious diseases, and for families it is also an effective means of reducing the incidence of disease in their members and reducing healthcare costs.