It was not immediately possible to limit the spread of the disease, so now the infection is spreading within society.
At least 200 people contracted norovirus after visiting a casino in Lake Charles, Louisiana, local television station WVUE reported.
This is an outbreak at the L’Auberge casino last week.
Doctors noted that the virus is very contagious.
Norovirus (other names – Norwalk virus (Norfolk) – named after the city where it was first isolated in 1972) is one of the most common causes of gastrointestinal infections of viral origin.
Norovirus is highly contagious and resistant, capable of causing entire epidemics. The virus is transmitted from person to person. It starts as SARS, the main symptoms – headache, vomiting or nausea.
Immunity after the infection is not persistent, persists from six months to two years, during which time it is possible to get another strain of norovirus.
Scientists find coronavirus resemblance to another disease
Earlier it was reported that the number of victims of a new type of coronavirus in China increased to 722 people.