Epidemic
9 events, 1819 to 2020; 1 marked as turning points.
1819
Tamil scholar F. W. Ellis dies at Ramnad
Francis Whyte Ellis, Collector of Madras and founder of the College of Fort St. George, died of cholera on 10 March 1819 at Ramnad.
1827
Governor Thomas Munro dies of cholera
Sir Thomas Munro, Governor of Madras and architect of the ryotwari system, died of cholera at Pattikonda while on tour.

1875
Governor Lord Hobart dies in office
Lord Hobart, Governor of Madras since May 1872, died unexpectedly of typhoid at Government House, Madras.
1896
Famine of 1896-1897 reaches the Madras Presidency
A famine that began in Bundelkhand in 1896 spread across India, including parts of the Madras Presidency, where grain exports continued.

1899
King Institute of Preventive Medicine established
Set up at Guindy in Madras, the King Institute of Preventive Medicine was created to fight infectious diseases.

1907
Pasteur Institute of Southern India opens at Coonoor
The Pasteur Institute of Southern India began work at Coonoor in April 1907 and became a major producer of anti-rabies vaccine.

1918
Influenza pandemic reaches Madras
The 1918 influenza pandemic reached Madras by the end of June 1918 and caused heavy mortality across the presidency.
1986
First HIV cases in India detected in Madras
India's first documented HIV infections were found among sex workers in Madras by microbiologist Suniti Solomon and her student Sellappan Nirmala.
2020
COVID-19 pandemic reaches Tamil Nadu
Tamil Nadu reported its first COVID-19 case in March 2020; the pandemic brought lockdowns and two severe waves.