Vaccination is the administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen. Vaccines can prevent or ameliorate morbidity from infection. When a sufficiently large percentage of a population has been vaccinated, this results in herd immunity. The effectiveness of vaccination has been widely studied and verified; for example, the influenza vaccine, the HPV vaccine, and the chicken pox vaccine.
Business-level strategy is an ideal that promotes providing excellent and proactive customer service in order to generate better financial returns. This method of operation focuses on monetary needs and creating superior returns on investment.
What is 'Materials Requirement Planning - MRP'. One of the first software based integrated information systems designed to improve productivity for businesses. A materials requirement planning (MRP) information system is a sales forecast-based system used to schedule raw material deliveries and quantities, given assumptions of machine and labor units required to fulfill a sales forecast. Next Up.