You can't get influenza from a flu shot – here's how it works
- Written by Allen Cheng, Professor in Infectious Diseases Epidemiology, Monash University

Influenza is a moving target for vaccines. Each year, up to four different strains circulate, and they are constantly evolving to escape our immune system.
So rather than childhood jabs giving long lasting immunity, we need annual flu shots to...
Read more: You can't get influenza from a flu shot – here's how it works