Eventually, in the year 1869, the movement rather suddenly collapsed, although there have been sporadic outbreaks of the same sort since that date.

Sporadic outbreaks have occurred in Russia and other places where the disease is endemic.

"We've been preparing for this kind of sporadic outbreak."

Sporadic outbreaks of anti joker violence had been reported throughout the city.

However, sporadic outbreaks have occurred in the southeastern and Midwestern regions of the country.

Another research aim is to determine why sporadic outbreaks are separated by long silent periods.

They staged sit-ins at government offices and there were sporadic outbreaks of violence.

There were sporadic outbreaks of violence, most notably in Rhode Island.

Sporadic outbreaks of fighting reported during March were mainly attributed to unruly rebel troops.

Therefore, sporadic outbreaks probably occurred in each generation.