Hospitals ban visitors as the flu sweeps the US, killing 13 children and sickening thousands

Hospitals across the US are turning away visitors to prevent spread of the flu.

New Jersey, North Carolina, and Indiana are just a few of the states putting limits on the influx of people to their wards, with many more set to follow.

Some hospitals, including in Arizona and Rhode Island, will make visitors wear masks.

Nineteen states and New York City now have high levels of flu-like activity, with thousands of cases confirmed, at least 13 child deaths, and an unknown number of adult deaths.

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