BOSTON (CBS) - It's been a rough cold and flu season so far and now hospitals are being flooded with patients suffering a severe stomach bug.
In the MetroWest area, hundreds have visited emergency rooms over the past few weeks.
Doctors say the norovirus, a highly contagious stomach flu is to blame.
Health officials say once it starts, it's very difficult to contain.
WBZ-TV's Ken MacLeod reports
To avoid transmission at Marlborough Hospital, employees frequently scrub down door handles and other surfaces.
Doctors say the best defense is to wash your hands on a regular basis. Hand sanitizer does not typically defend against the norovirus.
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