Question

which is the viruses which spread rapidly in 18th, 19th century 5 examples ​

Answer 1

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Diseases and epidemics of the 18th and 19th century included long-standing epidemic threats such as smallpox, typhus and yellow fever. In addition, cholera emerged as an epidemic threat and spread worldwide in six pandemics in the nineteenth century. The third plague pandemic emerged in China in the mid-nineteenth century and spread worldwide in the 1890s.......☺

Answer 2

Explanation:

I think no virus spread in 19th century and 18 th century...... but now coronavirus is spreading..