<unk>  is a contractual agreement offered by some pharmaceutical companies to pediatricians, that gives a discount to doctors purchasing pediatric vaccines, but only if the physicians agree to buy the majority of their vaccines from a single manufacturer. It is a form of product<unk> .
Vaccine bundling
Vaccine storage
Pulse vaccination strategy
Vaccination schedule
Targeted immunization strategies
Protective isolation
Alternative vaccination schedule
Pre-exposure prophylaxis