NHS Rotherham is seeking feedback from people who used the National Pandemic Flu Service phone line or website during the swine flu outbreak.
The aim is to look at ways of improving or developing the service in preparation for any further epidemics.
Health experts revealed this week that new cases of swine flu in England remain at around their lowest level since the disease first appeared in the United Kingdom.
The swine flu vaccination programme is still available and will continue until the end of September for front line health and social care staff and high priority groups, such as those with underlying illness and pregnant women.
It is now also available as a travel vaccine for the protection of travellers to Southern Hemisphere countries.
Sue Cassin, of NHS Rotherham said: "In the UK, it is highly likely that the swine flu virus will be the predominant flu strain in the 2010/11 flu season. Vaccinations given now will protect individuals against the disease and its complications when it returns later in the year.
"If you used the national flu service line please help us to evaluate and improve how we deal with events such as the swine flu outbreak by filling in the survey on our website."
To fill in the survey visit www.rotherham.nhs.uk and follow Get Involved, Swine Flu Survey.
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