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A viral infection with a red rash, enlarged neck lymph nodes, mild fever, and headache. It is spread person to person by coughing or sneezing. Rubella is highly contagious but was declared eliminated in the U.S. Parents should continue to…
The likelihood that an individual will experience a certain event.
Recombinant vaccines use specific pieces of different viruses to help the immune system recognize a disease without causing illness.
How much or how often a vaccine produces a known, "expected" reaction, especially such as fever or sore arm at the injection site. The reactogenicity of a vaccine does not mean it is safe or unsafe.
The isolation of a person or animal who has been exposed to a disease in order to prevent further spread of the disease.
The time before the onset of an attack or a disease.
The total number of cases of a disease within a population over a given time period.
A condition in a person that might increase the risk for a serious adverse reaction or decrease the effectiveness of a vaccine. A precaution is not a contraindication. It may not prevent a person from getting a vaccine.
A measure of strength.
Vaccines that are composed of long chains of sugar molecules that resemble the surface of certain types of bacteria. Polysaccharide vaccines are available for pneumococcal disease.