It is one of the most commonly found viruses and epidemics throughout the world.

New problems were emerging, however, particularly the threat of epidemics.

The most likely early reports of dengue epidemics are from 1779 and 1780.

In addition, there was the usual run of famines and epidemics.

In a review of epidemics throughout history, he found that similar patterns held.

We are running the risk of new epidemics spreading out in this country.

But there's no question that his arguments apply to other kinds of social epidemics as well.

Over 400,000 people were directly affected, with over 3.5 million at risk of epidemics.

During his reign, that number would be halved again, due to a series of epidemics.

Yellow fever has been a source of several devastating epidemics.