Table 1.

Clinical and epidemiological features of intermittent fever in 1826, 1831, 1848 and 1886

1826	1831	1848	1886
Fever Rheumatic pains Rash Stomach aches Headache Diarrhoea Vomiting Oedema Jaundice ‘Black’ vomit Pneumonia Delirium ‘Phantasies’ Long recovery Autumnal and winter disease	Fever Rheumatic pains Rash Fatigue Headache Diarrhoea Vomiting Delirium and hallucinations Bloody stools ‘Black’ vomit ‘Dark’/‘reddish’ urine Jaundice Oedema Gangrene Long recovery Autumnal disease	Fever paroxysms of chills, heat and sweat Spleen enlargement Convulsions Neuralgia Pleurisy Spring disease	Fever paroxysms of chills, heat and sweat Spleen enlargement Spring disease

The clinical and epidemiological features of intermittent fever in 1826, 1831, 1848 and 1886 are summarized in Table 1.