Influenza fact sheet

Influenza (flu) is a highly contagious respiratory illness caused by influenza viruses. There are two main types of human influenza viruses: A and B. There are also many sub-types and strains. Flu is more serious than the common cold and severe cases can result in breathing difficulties and pneumonia. People in NSW can die from flu-related illness. Flu can occur throughout the year but is most common in autumn and winter. In most flu seasons there is more than one strain circulating in the community.

Publication date: 2023/05/26 16:00:00 GMT+10

Last Reviewed Date:

Organisation: NSW Health

Audience: General Public

Tags: Infectious Diseases