[Vaccination--General concepts. Systematic vaccination schedules for the child and adult in Spain. Impact of vaccination programs].

One area of major importance in promoting health is the prevention of infectious diseases through vaccination. Vaccine is any preparation intended to generate immunity against a disease by stimulating the production of antibodies. There are two basic types: live attenuated and inactivated, with different characteristics that determine their use.

[Cold chain maintenance in vaccines: a systematic review].

Objective: Systematic immunization programmes mostly depend on the correct maintenance and manipulation of the vaccines to be used, i.e. perfect maintenance of the cold chain.