So far, health experts say there is no reason to expect severe outbreaks, but it is still too early to tell.

In 1876 the community was hit by a severe outbreak of smallpox.

Other less severe outbreaks were recorded in 1849 and 1853.

There had been severe outbreaks of cholera in 1850, 1856, 1865 and 1867-1870.

On 21 September 1889 there was a severe outbreak of malaria which put an end to mining operations for the time being.

But the "severe outbreak of violence" generally follows the disaster at long intervals.

Boys often have more severe outbreaks of acne than girls.

During a severe outbreak, rashes may occur anywhere on the body.

The school has been closed due to a severe outbreak of the flu.

During a severe outbreak of influenza in an average year 36,000 Americans die.