Doctors at the West Suffolk Hospital in Bury St Edmunds are urging people to get their flu jab before we head into the winter months.
Patients have already been arriving at the hospital with symptoms, and staff there are worried about the virus spreading.
It follows a particularly bad outbreak in Australia over their winter, which the NHS are concerned could be replicated here.
In order to minimise the threat, both members of the public and hospital staff are being urged to get themselves vaccinated as soon as possible.
“People often underestimate the power of the flu virus which can cause severe illness, even death, among at-risk groups, including older people, pregnant women, and adults and children with an underlying health condition," Dr Thomas Pulimood from the West Suffolk NHS Foundation Trust said.
"We have already seen patients come into hospital who are suffering with flu-like symptoms so the earlier you get your flu jab the better, especially if you fall within one of the at-risk groups.
“One droplet from someone sneezing could contain hundreds of viruses; the flu vaccine is the best protection we have against this unpredictable and infectious virus. It is one of the safest in the world and given to millions of people in the UK each year.”