Leaders on both sides offer similar explanations for why the outbreak of civility has not spread.

Thousands have been quarantined as the outbreak has spread in hospitals across the country, including three of the most prestigious.

And because cruise ships are closed environments, outbreaks spread quickly.

No other outbreak of plague in decades has spread so quickly, and affected so many people.

The outbreaks spread throughout the district and by the end of the month as many as 30,000 Armenians were reported killed.

The state's last major outbreak affecting commercial groves spread across 28 counties in 1956.

Officials worried that an outbreak of disease could spread quickly.

While we seem to have things contained, the outbreak in Florida is spreading.

"Let me know if anything changes or if the outbreak should spread."

The outbreak spread through the city, effecting every family and causing widespread panic.