The recent coronavirus outbreak has triggered panic across the globe, prompting travel bans, visa restrictions and large-scale quarantines.
If, however, the rate of infection and death increases it could soon be classified as a pandemic.
There have been major occurrences of those across history; here are a few:
1. Sixth cholera (1910-1911)
The sixth cholera outbreak began in India, subsequently spreading to the Middle East, North Africa, Eastern Europe and Russia. The outbreak killed 8,00,000 people