It is a medication injected in order to prevent influenza. These days there is a way to inject them nasaly. They are injected once in a year in many developed countries like US,UK etc. Nurses,doctors and pharmacists sometimes hold a flu clinic inorder to deliver it to large masses

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.