What’s the Difference Between the Flu Vaccines? ]3 w3 T, ?4 K! R
; Q9 |; C9 x# U' dThe Flu Shot ( v0 `, T: F& H8 x+ K3 K9 H0 G $ b) c! c6 _4 N, `This vaccine is given by injection, usually into the upper arm. The flu shot is made from dead influenza virus and cannot give you the flu. ' v5 D# d$ O1 s* F+ Q
' R# u" j" c: ~This flu vaccine is sprayed into the nose. While it is a live vaccine, the virus has been weakened so that it cannot cause the flu, though you may experience flu-like symptoms.