A vaccine is a biological preparation that provides active acquired immunity to a particular disease.A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
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A cluster randomized trial to determine the effectiveness of a novel, digital pendant and voice reminder platform on increasing infant immunization adherence in rural Udaipur, India
poliovirus vaccine live oral (OPV) an oral vaccine against poliomyelitis consisting of three types of live, attenuated polioviruses. It is given orally, often on a sugar cube, and so is convenient for administration to children and large groups of people.
Vaccine, suspension of weakened, killed, or fragmented microorganisms or toxins or of antibodies or lymphocytes that is administered primarily to prevent disease.. A vaccine can confer active immunity against a specific harmful agent by stimulating the immune system to attack the agent.
Vaccine definition, any preparation used as a preventive inoculation to confer immunity against a specific disease, usually employing an innocuous form of the disease agent, as killed or weakened bacteria or viruses, to stimulate antibody production.
After a three-year hiatus, the intranasal flu vaccine is once again recommended for use during the 2018-2019 influenza season. In these videos, Dr. Offit explains the changes to the intranasal flu vaccine and the recommendations regarding its use by the CDC and AAP.