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. 2007 May 31;136(4):529–539. doi: 10.1017/S0950268807008655

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Cambridge University Press

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Fig. 3 — The relationship between emm pattern type and age: emm pattern-type D is relatively more common in the younger age groups and decreases with age whilst patterns A–C were more common in the early teenage years. These data include the outbreak strain emm55 that made up 63% of all throat types (emm pattern types A–C). ■, Throat tropic A–C;, skin tropic D; □, skin and throat tropic E.

Inline graphic — The relationship between emm pattern type and age: emm pattern-type D is relatively more common in the younger age groups and decreases with age whilst patterns A–C were more common in the early teenage years. These data include the outbreak strain emm55 that made up 63% of all throat types (emm pattern types A–C). ■, Throat tropic A–C;, skin tropic D; □, skin and throat tropic E.