Ehreth estimates that vaccines annually prevent almost 6 million deaths worldwide. In the USA, there has been a 99% decrease in incidence for the nine diseases for which vaccines have been recommended for decades, accompanied by a similar decline in mortality and disease sequelae.
An information system is the information and communication technology (ICT) that an organization uses, and also the way in which people interact with this technology in support of business processes.Some authors make a clear distinction between information systems, computer systems, and business processes.n information system is the technology an organization uses and also the way in which the organizations interact with the technology and the way in which the technology works with the organizationâs business processes.
Description. 1  The business information model represents the semantics of the data in an organization, and not a database design. 2  It describes the things of significance to an organization about which it is inclined to collect information (as entities), and associations between pairs of those things of significance (as relationships).