(S (S (BASENP (NN Staph) (NNS infections)) (VP (VBP are) (VP (VP (VBN spread) (PP (ADVP (RB much)) (PP (IN like) (BASENP (JJ other) (NNS diseases))))) (COMMA ,) (PP (IN with) (NP (NP (NP (BASENP (JJ crowded) (NNS conditions)) (COMMA ,) (BASENP (JJ poor) (NN hygiene))) (CONJP (COMMA ,) (CC and)) (BASENP (JJ skin-to-skin) (NN contact))) (SBAR (S (VP (ADVP (RBS most) (RB frequently)) (VP (TO to) (VP (VB blame))))))))))) (PERIOD .))