Five wards are now closed at Lincoln County Hospital following an outbreak of norovirus over a week ago.
United Lincolnshire Hospitals Trust (ULHT) are advising people to not visit the hospital unless completely necessary.
Burton, Dixon and Navenby wards, which were closed last week due to the outbreak have now reopened, however six others are now closed.
Wards which are now closed due to the vomiting bug include Waddington, MEAU, Lancaster, Carlton-Coleby and the Frailty Assessment Unit.
ULHT have said some of the wards are being deep cleaned and will possibly reopen later in the week.
Simon Evans, Director of Operations at ULHT, previously said: “Visitors to Lincoln, Pilgrim and Grantham hospitals are asked to only visit if absolutely necessary and not to visit if they have had diarrhoea and/or sickness in the last three days.
“Children under five years should not visit.
“Those who are visiting should regularly use the hand gel available on all ward entrances and around the ward, as well as clean their hands with soap and water before they leave the hospital, to prevent the spread of the virus.
“We are also asking visitors to not see more than one patient or move between wards.”