Fig. 2From: Mycobacterium tuberculosis transmission in an ethnically-diverse high incidence region in England, 2007–11Percentage of cases by a. age, b. ethnic and c. immigrant group notified during 2009–11 that are retrospectively clustered. The shaded and unshaded areas show the proportion retrospectively clustered with pulmonary cases, with or without extrapulmonary disease and extrapulmonary cases respectivelyBack to article page