An outbreak of a winter vomiting bug has forced Grantham and District Hospital to restrict admissions to its wards.
The decision was taken after patients began experiencing winter norovirus symptoms.
A spokesman said the measure was "a precaution to prevent further spread of the virus" and the hospital remained open.
Patients in the affected wards are being moved elsewhere on the site.
Matthew Dodd, Deputy Chief Operations Officer at Sandwell and West Birmingham Hospitals NHS Trust, says two wards are currently affected by the norovirus outbreak.
A total of 21 people are currently suffering with the bug while 49 have been affected since the outbreak began.
The hospital is currently closed to visitors.
Patients at Sandwell Hospital are being provided with free phone calls and television after it was closed to visitors due to norovirus.
Trust bosses decided to ban visiting after the vomiting bug was confirmed on two wards.
The visiting ban will be reviewed at the weekend.
All wards at Sandwell Hospital have been closed to visitors after an outbreak of norovirus.
Hospital bosses took the precautionary step after two wards were confirmed as having the winter vomiting bug.
Further restrictions have been enforced at Warwick Hospital following an outbreak of the winter vomiting bug, norovirus.
The hospital was hit by the virus in October last year, following a review of the outbreak hospital bosses have decided to close affected wards to the public.
Any patients attending an outpatient appointment should not attend if they have experienced vomiting and diarrhoea symptoms two days prior to their appointment. This situation is being reviewed on a daily basis, but visiting is expected to be closed for the rest of the week.
Ward 3, Ward 6 and CCU, Ward 8, Ward 9 and a bay on Ward 19 are currently closed to new admissions at Heartlands Hospital following an outbreak of norovirus.
As there are also many cases of norovirus outside the Hospital in the community; Heartlands has closed all wards to visitors except for the outpatients department, intensive care, paediatrics and maternity units as a precautionary measure to protect patients.
Winter Vomiting Bug is also known as norovirus, it is highly contagious. See here for advice on symptoms and where to find advice.Read the full story ›
Doctors are assessing an outbreak of the winter vomiting bug at the Birmingham Heartlands hospital. It's after they closed all wards to visitors over the weekend.
They are advising people to contact patients using the hospital telephone syetem.
In a statement, Dr Aresh Anwar, Medical Director, at the Birmingham Heartlands Hospital, said
“There are currently five areas closed to new admissions at Heartlands Hospital following an outbreak of norovirus.
“As there are also many cases of norovirus outside the Hospital in the community, Heartlands is closing all wards to visitors except for the intensive care ward** as a precautionary measure to protect patients. This situation is being reviewed on a daily basis.
“Visitors are asked to speak to their relatives and friends by calling the Hospital switchboard on (0121) 424 2000 and requesting to be put through to the nurse in charge of the ward. There are phones available at each bedside and there is a facility on the television to receive and send emails.