This electron microscope image provided by the Centers for Disease Control and Prevention shows a cluster of norovirus virions. FILE PHOTO (Charles D. Humphrey/CDC via AP)

PASADENA – The Pasadena Public Health Department reported Friday there was an outbreak of the gastrointestinal Norovirus at the American Red Cross’ Pasadena Evacuation Shelter for area residents displaced by the Los Angeles wildfires.

The Health Department confirmed three people at the shelter tested positive for the virus among a cluster of 28 people suffering from acute gastrointestinal illness.

“The spread of illness in congregate living situations, including shelters, is unfortunately common given the close quarters and communal spaces,” according to a statement from the agency.

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“This year, the community has experienced higher than normal levels of Norovirus.”

The agency was providing guidance and support to the American Red Ross, officials said, noting the agency has worked closely on infection prevention and control measures with the Red Cross since the transition to the evacuation shelter Saturday.

Sitting at wooden benches, men and women stack tobacco leaves in one hand –- the components must be dry but soft, like the velvety texture of leather.

Data released by the BSP on Tuesday showed the public sector’s foreign borrowings from July to September this year went up by 36 percent from the $2.81 billion in the same period last year.

People suffering from Norovirus can have acute vomiting and diarrhea several times a day and stomach cramps, health officials said. It can lead to dehydration, especially in young children, older adults and people with other illnesses.

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Anyone at the shelter who is ill should be isolated immediately and receive appropriate medical attention, officials said.

The spread can be slowed down or prevented if hand washing stations are provided, restrooms are cleaned frequently and surfaces are cleaned with disinfectants strong enough to kill Norovirus.

What is norovirus?

Norovirus is the leading cause of foodborne illness in the United States, responsible for 58 percent of such infections acquired in the country each year, according to the CDC.

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Norovirus infections are caused by a group of viruses that spread easily, with as few as 10 viral particles having the ability to make someone sick, health experts say.

There are about 2,500 norovirus outbreaks reported annually in the United States. The outbreaks can occur throughout the year but are most common from November to April.

Young children, older people and those with weakened immune systems are most at risk, with dehydration from vomiting and diarrhea the top concern. (With CNS report)

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