│in Brazil. │ │ │ │ ─────┼──────────────┼─────────────┼──────────────┼───────────────┼────────────── 1811│Several │1807, onset │Usually from │North and South│1815, one 1815│epidemics in │in │New England │America. │month from 1816│North America │Massachusetts│West and │ │Boston to New 1824│and to some │in February. │South. │ │York, and five 1826│extent in │1815, onset │ │ │months to │South America.│in Boston in │ │ │South Carolina │ │September. │ │ │and Brazil. │ │1824, onset │ │ │1824, three │ │in Boston in │ │ │months from │ │October. │ │ │Boston to │ │ │ │ │Georgia. ─────┼──────────────┼─────────────┼──────────────┼───────────────┼────────────── 1827│Widespread │ │ │ │ │epidemics │ │ │ │ │throughout │ │ │ │ │Eastern Russia│ │ │ │ │and Siberia. │ │ │ │ ─────┼──────────────┼─────────────┼──────────────┼───────────────┼────────────── 1830│Extensive │China in │To Manila in │Entire earth. │Ten months 1833│influenza │January, │September, │ │from China to │period made up│1830. │1830. Later to│ │Russia. Four │of two or │ │South Sea │ │months from │three pandemic│ │Islands and │ │Russia to │periods. │ │India. │ │Germany. Two │ │ │Appearance in │ │additional │ │ │Russia in │ │months through │ │ │October, 1830,│ │France, │ │ │with │ │England, │ │ │subsequent │ │Scotland, │ │ │spread West │ │Sweden, │ │ │and South and │ │Belgium, │ │ │on to North │ │Switzerland. │ │ │America (Feb.,│ │Six months │ │ │1832). │ │from Germany │ │ │ │ │to Italy. ─────┼──────────────┼─────────────┼──────────────┼───────────────┼────────────── 1833│Second │Probably │After an │Europe.