LAKE CHARLES: At least 200 people have fallen sick after an outbreak of norovirus in Louisiana, United States.

The outbreak for now is reportedly limited to a casino in the area, reportedly, but has led to health officials investigating the case.

A report by AP stated that people fell sick at L’Auberge Casino in Lake Charles, Louisiana.

The reported also cited the health officials who stated the sickness was related to the highly contagious gastrointestinal illness called norovirus.

The illness can cause stomach pain, vomiting and diarrhoea and mild fever

Several reports also quoted the agency’s medical director, Dr Lacey Cavanaugh, who stated that people are contagious sometime even up to three weeks after the symptoms are gone.

Cavanaugh also stated it is unclear as of now, as to how the virus spread.

Washing hands, disinfecting areas with bleach-based household cleaners are ways to stop the spread of the disease.

An online survey has been made available for people to self-report symptoms.

There has been no comment by any representative of the casino and there has been no information received on the date of the event that caused the outbreak.