Streptococcus Pyogen: Strep throat is caused by group a streptococcus (or streptococcus pyogenes) which is a very infectious bacteria.
Answered 6/20/2014
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Bacteria: Strep is caused by the streptococcal bacteria of which there are several strains. Grp a is the throat problem most of the time.Antibiotics are necessary to prevent serious complications.
Answered 5/27/2016
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