1830
PANDEMIC VII. The seat of the outbreak was Manila, P.I., in September. It spread to the U. S. A.
1833
Epidemic in Northern Asia, Europe, North Africa. In St. Petersburg great morbidity, none escaped.
1836–7
PANDEMIC VIII. Starting point obscure, but in the Eastern Hemisphere. Morbidity and Mortality large. Pulmonary Influenza or Influenza-Pneumonia cases very common.
In London, for the week ending January 24, 1837, there died 1166 persons; and for the week ending January 31, the death rate reached a total of 1169; these deaths were solely due to Flu.
1847–8
PANDEMIC IX. Point of origin unknown; center of the focus of the disease the Eastern Hemisphere and Europe especially. More females than males were attacked.
Great mortality; of those affected with the disease, there died