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Strep throat is a highly contagious infection caused by group A Streptococcus bacteria (Streptococcus pyogenes); it is common in children but affects adults too. Strep throat symptoms include a sore ...

A DNA vaccine is a substance that is composed of deoxyribonucleic acid (DNA) and encodes antigens. After administration of the DNA, antigens are produced and stimulate an immune response.