Inactivated influenza vaccine is used to prevent influenza (flu)
It is also used to prevent H1N1 influenza (Swine flu). It is recommended in people at greater risk of experiencing complications of influenza (flu), including adults over the age of 65, pregnant women, children under the age of 5, and patients with weakened immune systems due to chronic illness.

Inactivated influenza vaccine is an inactivated vaccine (made from a dead virus). It helps develop immunity by forming antibodies, which are proteins that protect against infection caused by viruses present in the vaccine.

Headache, Weakness, Injection site allergic reaction